diff --git a/billard/models.py b/billard/models.py
index b0f5d91..0a5f197 100644
--- a/billard/models.py
+++ b/billard/models.py
@@ -71,24 +71,6 @@ class Desk(models.Model):
     prize_hh = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True,
                                    verbose_name="Preis Happy Hour")
 
-    def accounting_for(self):
-        t = Accounting.objects.filter(client=self.client, desk_no=self.desk_no)[:3][::-1]
-        client = self.client
-        location = client.location
-        if t.__len__() > 0:
-            a = t[t.__len__() - 1]
-            if a.time_to is None:
-                prize = utils.get_prize_for(
-                    start=a.time_from,
-                    end=datetime.now(timezone.utc),
-                    pph=self.prize,
-                    hh_start=location.happy_hour_start,
-                    hh_end=location.happy_hour_end,
-                    pphh=self.prize_hh,
-                )
-                if prize != a.prize:
-                    a.prize = prize
-        return t
 
     def __str__(self):
         return '{}, {}'.format(self.client.uuid, self.name)
@@ -105,6 +87,8 @@ class Accounting(models.Model):
     prize = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True, verbose_name="Preis")
     billed = models.BooleanField(default=False, verbose_name="Abgerechnet")
     reporter_uuid = models.UUIDField(blank=True, null=True, verbose_name='Reporter UUID')
+    prize_normal = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True, verbose_name="Preis Normalzeit")
+    prize_hh = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True, verbose_name="Preis Happy Hour")
 
     def __str__(self):
         return '{}: {} -> {}, {}, {}'.format(self.desk, self.time_from, self.time_to, self.prize, self.billed)
@@ -157,7 +141,7 @@ def process_location_data():
                 if len(ac) > 0:
                     acc = ac[0]
                     acc.time_to = ld.tst
-                    acc.prize = utils.get_prize_for(
+                    acc.prize, acc.prize_normal, acc.prize_hh = utils.get_prize_for(
                         start=acc.time_from,
                         end=ld.tst,
                         pph=desk.prize,
diff --git a/billard/templatetags/display_client.py b/billard/templatetags/display_client.py
index 27fc38d..28a1a41 100644
--- a/billard/templatetags/display_client.py
+++ b/billard/templatetags/display_client.py
@@ -22,7 +22,7 @@ def display_client(client, desk_no):
         a = acc[-1]
         if a.time_to is None:
             alert = 'alert-info'
-            prize = utils.get_prize_for(
+            prize, u1, u2 = utils.get_prize_for(
                 start=a.time_from,
                 end=datetime.now(),
                 pph=desk.prize,
diff --git a/billard/utils.py b/billard/utils.py
index d93156d..302bd82 100644
--- a/billard/utils.py
+++ b/billard/utils.py
@@ -16,6 +16,8 @@ def get_prize_for(start, end, pph=0, hh_start=None, hh_end=None, pphh=0):
     if end <= start:
         raise ValueError('end date must be after start date')
     prize = 0
+    prize_normal = 0
+    prize_hh = 0
     if hh_start is not None and hh_end is not None and pphh is not None:
         d = start.date()
         t = start.time()
@@ -24,35 +26,46 @@ def get_prize_for(start, end, pph=0, hh_start=None, hh_end=None, pphh=0):
         while True:
             if t < hh_start:
                 if end_time < hh_start and d == end_date:
-                    prize += calculate_prize_for(start=t, end=end_time, pph=pph)
+                    p = calculate_prize_for(start=t, end=end_time, pph=pph)
+                    prize += p
+                    prize_normal += p
                     break
                 else:
-                    prize += calculate_prize_for(start=t, end=hh_start, pph=pph)
+                    p += calculate_prize_for(start=t, end=hh_start, pph=pph)
+                    prize += p
+                    prize_normal += p
                     t = hh_start
             elif hh_start <= t < hh_end:
                 if end_time < hh_end and d == end_date:
-                    prize += calculate_prize_for(start=t, end=end_time, pph=pphh)
+                    p += calculate_prize_for(start=t, end=end_time, pph=pphh)
+                    prize += p
+                    prize_hh += p
                     break
                 else:
-                    prize += calculate_prize_for(start=t, end=hh_end, pph=pphh)
+                    p += calculate_prize_for(start=t, end=hh_end, pph=pphh)
+                    prize += p
+                    prize_hh += p
                     t = hh_end
             else:
                 if d == end_date:
-                    prize += calculate_prize_for(start=t, end=end_time, pph=pph)
+                    p += calculate_prize_for(start=t, end=end_time, pph=pph)
+                    prize += p
+                    prize_normal += p
                     break
                 else:
-                    prize += calculate_prize_for(start=t, end=datetime.strptime('23:59:59', '%H:%M:%S').time(), pph=pph)
+                    p += calculate_prize_for(start=t, end=datetime.strptime('23:59:59', '%H:%M:%S').time(), pph=pph)
+                    prize += p
+                    prize_normal += p
                     t = datetime.strptime('00:00:00', '%H:%M:%S').time()
                     d = (datetime.combine(d, t) + timedelta(days=1)).date()
     else:
         prize = calculate_prize_for(start=start, end=end, pph=pph)
-    return prize
+    return prize, prize_normal, prize_hh
 
 
 def calculate_prize_for(start, end, pph=0):
     pps = pph / 3600
     d = date.today()
-    seconds = 0
     if isinstance(start, datetime):
         seconds = (end - start).seconds
     else: