diff --git a/dav_event_office/templates/dav_event_office/event_detail.html b/dav_event_office/templates/dav_event_office/event_detail.html
index 3ab06c4..fa4c9e2 100644
--- a/dav_event_office/templates/dav_event_office/event_detail.html
+++ b/dav_event_office/templates/dav_event_office/event_detail.html
@@ -210,6 +210,17 @@
                             <form action="" method="post" class="form-inline">
                                 {% csrf_token %}
                                 <input type="hidden" name="id" value="{{ participant.id }}">
+                                {% if event.charge and has_permission_payment %}
+                                <button name="action" value="toggle_reduced_fee"
+                                        title="{% trans 'Hier klicken, um zwischen voller und reduzierter Teilnahmegebühr umzuschalten' %}"
+                                        class="btn btn-link no-padding">
+                                    <span class="text-primary">
+                                        {% if participant.apply_reduced_fee %}{% bootstrap_icon 'check' %}{% else %}{% bootstrap_icon 'unchecked' %}{% endif %}
+                                        Reduzierte Teilnamegebühr
+                                    </span>
+                                </button>
+                                &nbsp;
+                                {% endif %}
                                 {% if has_permission_update_participants %}
                                 <button name="action" value="moveup_participant"
                                         title="{% trans 'Nach oben verschieben' %}"
@@ -229,30 +240,35 @@
                                 {% endif %}
                                 {% if event.charge and participant.paid and has_permission_payment %}
                                 &nbsp;
-                                <span class="text-success"><strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong></span><button
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><button
                                     name="action" value="revoke_payment"
                                     title="{% trans 'Geldeingang wurde bestätigt' %} - {% trans 'Bestätigung des Geldeingangs zurückziehen' %}"
                                     class="btn btn-link no-padding"><span class="text-success">{% bootstrap_icon 'piggy-bank' %}</span></button>
                                 {% elif event.charge and participant.paid %}
                                 &nbsp;
-                                <span class="text-success" title="{% trans 'Geldeingang bestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-success"
+                                    title="{% trans 'Geldeingang bestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% elif event.charge and has_permission_payment %}
                                 &nbsp;
-                                <span class="text-danger"><strong>{% if participant.apply_reduced_fee %}%{% elif participant.created_at|date:'U' < '1608764400' %}? {% else %}&emsp;{% endif %}</strong></span><button
+                                <span class="text-danger {% if not participant.apply_reduced_fee and participant.created_at|date:'U' > '1608764400' %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>{% if participant.apply_reduced_fee %}%{% else %}? {% endif %}</strong></span><button
                                     name="action" value="confirm_payment"
                                     title="{% trans 'Geldeingang bestätigen' %}"
                                     class="btn btn-link no-padding"><span class="text-danger">{% bootstrap_icon 'piggy-bank' %}</span></button>
                                 {% elif event.charge %}
                                 &nbsp;
-                                <span class="text-danger" title="{% trans 'Geldeingang unbestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% elif participant.created_at|date:'U' < '1608764400' %}? {% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-danger {% if not participant.apply_reduced_fee and participant.created_at|date:'U' > '1608764400' %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>{% if participant.apply_reduced_fee %}%{% else %}? {% endif %}</strong></span><span
+                                    class="text-danger"
+                                    title="{% trans 'Geldeingang unbestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% else %}
-                                <span class="hidden" title="{% trans 'Keine Teilnehmergebühr gefordert' %}">
-                                    <strong>&emsp;</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="hidden {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="hidden"
+                                    title="{% trans 'Keine Teilnehmergebühr gefordert' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% endif %}
                             </form>
                         </div>
@@ -287,6 +303,11 @@
                 </div>
             </div>
             {% endif %}
+            <div class="panel panel-default">
+                <div class="panel-body">
+                    <strong title="Summe der bestätigten Geldeingänge (theoretisch!, da wir hier nur die Gebühren, aber nicht die tatsächlich überwiesenen Beträge kennen)">{% trans 'Gebuchte Teilnahmegebühren' %}:</strong> {{ earnings|floatformat:2 }} €
+                </div>
+            </div>
             {% if participant_emails %}
             <div class="panel panel-default">
                 <div class="panel-body">
@@ -380,14 +401,16 @@
                                 </span>
                                 {% if event.charge and participant.paid %}
                                 &nbsp;
-                                <span class="text-success" title="{% trans 'Geldeingang bestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-success"
+                                    title="{% trans 'Geldeingang bestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% elif event.charge %}
                                 &nbsp;
-                                <span class="text-danger" title="{% trans 'Geldeingang unbestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-danger {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-danger"
+                                    title="{% trans 'Geldeingang unbestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% endif %}
                             </span>
                         </div>
diff --git a/dav_event_office/templates/dav_event_office/participant_list.html b/dav_event_office/templates/dav_event_office/participant_list.html
index 99c2439..c9a9e71 100644
--- a/dav_event_office/templates/dav_event_office/participant_list.html
+++ b/dav_event_office/templates/dav_event_office/participant_list.html
@@ -71,24 +71,37 @@
                     <form action="" method="post" class="form-inline">
                         {% csrf_token %}
                         <input type="hidden" name="id" value="{{ participant.id }}">
+                        {% if event.charge %}
+                        <button name="action" value="toggle_reduced_fee"
+                                title="{% trans 'Hier klicken, um zwischen voller und reduzierter Teilnahmegebühr umzuschalten' %}"
+                                class="btn btn-link no-padding">
+                            <span class="text-primary">
+                                {% if participant.apply_reduced_fee %}{% bootstrap_icon 'check' %}{% else %}{% bootstrap_icon 'unchecked' %}{% endif %}
+                            </span>
+                        </button>
+                        &nbsp;
+                        {% endif %}
                         {% if event.charge and participant.paid %}
-                        <span class="text-success"><strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong></span><button
+                        <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                              title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><button
                             name="action" value="revoke_payment"
                             title="{% trans 'Geldeingang wurde bestätigt' %} - {% trans 'Bestätigung des Geldeingangs zurückziehen' %}"
                             class="btn btn-link no-padding"><span class="text-success">{% bootstrap_icon 'piggy-bank' %}</span></button>
                         &nbsp;
                         ({{ event.charge|floatformat:'-2' }}{% if participant.apply_reduced_fee %} / 2{% endif %} €)
                         {% elif event.charge %}
-                        <span class="text-danger"><strong>{% if participant.apply_reduced_fee %}%{% elif participant.created_at|date:'U' < '1608764400' %}? {% else %}&emsp;{% endif %}</strong></span><button
+                        <span class="text-danger {% if not participant.apply_reduced_fee and participant.created_at|date:'U' > '1608764400' %}invisible{% endif %}"
+                              title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>{% if participant.apply_reduced_fee %}%{% else %}? {% endif %}</strong></span><button
                             name="action" value="confirm_payment"
                             title="{% trans 'Geldeingang bestätigen' %}"
                             class="btn btn-link no-padding"><span class="text-danger">{% bootstrap_icon 'piggy-bank' %}</span></button>
                         &nbsp;
                         ({{ event.charge|floatformat:'-2' }}{% if participant.apply_reduced_fee %} / 2{% endif %} €)
                         {% else %}
-                        <span class="text-muted" title="{% trans 'Keine Teilnehmergebühr gefordert' %}">
-                            <strong>&emsp;</strong>{% bootstrap_icon 'piggy-bank' %}
-                        </span>
+                        <span class="hidden {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                              title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                            class="hidden"
+                            title="{% trans 'Keine Teilnehmergebühr gefordert' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                         {% endif %}
                     </form>
                 </td>
diff --git a/dav_event_office/views.py b/dav_event_office/views.py
index c44a136..148d3b1 100644
--- a/dav_event_office/views.py
+++ b/dav_event_office/views.py
@@ -53,6 +53,11 @@ class ParticipantListView(generic.ListView):
             participant = get_object_or_404(Participant, pk=participant_id)
             participant.paid = False
             participant.save()
+        elif action == 'toggle_reduced_fee':
+            participant_id = request.POST.get('id')
+            participant = get_object_or_404(Participant, pk=participant_id)
+            participant.apply_reduced_fee = not participant.apply_reduced_fee
+            participant.save()
         else:
             messages.error(request, 'unsupported action: {}'.format(action))
         return HttpResponseRedirect(reverse('dav_event_office:participant-list'))
diff --git a/dav_events/templates/dav_events/event_registrations.html b/dav_events/templates/dav_events/event_registrations.html
index b565db3..531557e 100644
--- a/dav_events/templates/dav_events/event_registrations.html
+++ b/dav_events/templates/dav_events/event_registrations.html
@@ -305,7 +305,7 @@ Das musst du selbst (per E-Mail oder telefonisch) machen.
                             {% if registration.apply_reduced_fee %}
                             &nbsp;
                             <span class="text-info">
-                                <strong>%</strong>{% bootstrap_icon 'piggy-bank' %} (reduzierte Gebühr)
+                                <strong title="{% trans 'reduzierte Teilnahmegebühr' %}">%</strong>{% bootstrap_icon 'piggy-bank' %} (reduzierte Gebühr)
                             </span>
                             {% endif %}
                         </form>
@@ -399,30 +399,35 @@ Wichtig: das System verschickt keine Bestätigung an dich oder den neuen Teilneh
                                 {% endif %}
                                 {% if event.charge and participant.paid and has_permission_payment %}
                                 &nbsp;
-                                <span class="text-success"><strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong></span><button
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><button
                                     name="action" value="revoke_payment"
                                     title="{% trans 'Geldeingang wurde bestätigt' %} - {% trans 'Bestätigung des Geldeingangs zurückziehen' %}"
                                     class="btn btn-link no-padding"><span class="text-success">{% bootstrap_icon 'piggy-bank' %}</span></button>
                                 {% elif event.charge and participant.paid %}
                                 &nbsp;
-                                <span class="text-success" title="{% trans 'Geldeingang bestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-success"
+                                    title="{% trans 'Geldeingang bestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% elif event.charge and has_permission_payment %}
                                 &nbsp;
-                                <span class="text-danger"><strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong></span><button
+                                <span class="text-danger {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><button
                                     name="action" value="confirm_payment"
                                     title="{% trans 'Geldeingang bestätigen' %}"
                                     class="btn btn-link no-padding"><span class="text-danger">{% bootstrap_icon 'piggy-bank' %}</span></button>
                                 {% elif event.charge %}
                                 &nbsp;
-                                <span class="text-danger" title="{% trans 'Geldeingang unbestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-danger {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-danger"
+                                    title="{% trans 'Geldeingang unbestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% else %}
-                                <span class="hidden" title="{% trans 'Keine Teilnehmergebühr gefordert' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="hidden {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="hidden"
+                                    title="{% trans 'Keine Teilnehmergebühr gefordert' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% endif %}
                             </form>
                         </div>
@@ -587,14 +592,16 @@ von Position {{ participant.position }} der Teilnehmerliste entfernt.
                                 </span>
                                 {% if event.charge and participant.paid %}
                                 &nbsp;
-                                <span class="text-success" title="{% trans 'Geldeingang bestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-success {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-success"
+                                    title="{% trans 'Geldeingang bestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% elif event.charge %}
                                 &nbsp;
-                                <span class="text-danger" title="{% trans 'Geldeingang unbestätigt' %}">
-                                    <strong>{% if participant.apply_reduced_fee %}%{% else %}&emsp;{% endif %}</strong>{% bootstrap_icon 'piggy-bank' %}
-                                </span>
+                                <span class="text-danger {% if not participant.apply_reduced_fee %}invisible{% endif %}"
+                                      title="{% trans 'Reduzierte Teilnahmegebühr' %}"><strong>%</strong></span><span
+                                    class="text-danger"
+                                    title="{% trans 'Geldeingang unbestätigt' %}">{% bootstrap_icon 'piggy-bank' %}</span>
                                 {% endif %}
                             </span>
 
diff --git a/dav_events/views/events.py b/dav_events/views/events.py
index febf662..e98196e 100644
--- a/dav_events/views/events.py
+++ b/dav_events/views/events.py
@@ -219,6 +219,16 @@ class EventRegistrationsView(EventPermissionMixin, generic.DetailView):
         participants_trash = event.trashed_participants.all()
         context['participants_trash'] = participants_trash
 
+        earnings = 0
+        if event.charge:
+            for participant in participants:
+                if participant.paid:
+                    if participant.apply_reduced_fee:
+                        earnings += event.charge / 2
+                    else:
+                        earnings += event.charge
+        context['earnings'] = earnings
+
         if participants.count() > 1:
             email_list = [u'"{}" <{}>'.format(p.get_full_name(), p.email_address) for p in participants]
             email_list.sort()
@@ -344,6 +354,12 @@ class EventRegistrationsView(EventPermissionMixin, generic.DetailView):
                 self._reset_registration(registration)
             else:
                 raise FieldDoesNotExist('Event has no registrations')
+        elif action == 'toggle_reduced_fee':
+            self.enforce_permission(event, permission='payment')
+            participant_id = request.POST.get('id')
+            participant = event.participants.get(id=participant_id)
+            participant.apply_reduced_fee = not participant.apply_reduced_fee
+            participant.save()
         elif action == 'confirm_payment':
             self.enforce_permission(event, permission='payment')
             participant_id = request.POST.get('id')