diff --git a/Elwig/Documents/CreditNote.cshtml b/Elwig/Documents/CreditNote.cshtml
index 7723ee6..0c23ab0 100644
--- a/Elwig/Documents/CreditNote.cshtml
+++ b/Elwig/Documents/CreditNote.cshtml
@@ -125,7 +125,7 @@
                     totalLine = true;
                 } else {
                     var hasPrev = Model.Credit.PrevNetAmount != null;
-                    <tr class="@(!hasPrev ? "large" : "") @(!totalLine ? "sum" : "")">
+                    <tr class="bold @(!hasPrev ? "large" : "") @(!totalLine ? "sum" : "")">
                         <td colspan="4"></td>
                         <td colspan="4" class="@(totalLine ? "sum" : "")">@(hasPrev ? "Gesamtbetrag" : "Nettobetrag"):</td>
                         <td class="@(totalLine ? "sum" : "")"></td>
@@ -136,28 +136,28 @@
                     </tr>
                     totalLine = true;
                     if (hasPrev) {
-                        <tr class="large">
+                        <tr>
                             <td colspan="4"></td>
-                            <td colspan="4">Bereits berücksichtigt:</td>
-                            <td>–</td>
-                            <td colspan="2" class="number">
+                            <td colspan="4">Bisher ausgezahlt:</td>
+                            <td class="number large">–</td>
+                            <td colspan="2" class="number large">
                                 <span class="fleft">@Model.CurrencySymbol</span>
                                 @($"{Model.Credit.PrevNetAmount:N2}")
                             </td>
                         </tr>
-                        <tr class="large bold">
+                        <tr class="large">
                             <td colspan="4"></td>
                             <td colspan="4" class="sum">Nettobetrag:</td>
                             <td class="sum"></td>
                             <td colspan="2" class="number sum">
                                 <span class="fleft">@Model.CurrencySymbol</span>
-                                @($"{Model.Credit.NetAmount:N2}")
+                                @($"{Model.Credit.NetAmount - (Model.Credit.PrevNetAmount ?? 0):N2}")
                             </td>
                         </tr>
                     }
                     <tr>
                         <td colspan="4"></td>
-                        <td colspan="4">Mehrwertsteuer (@($"{Model.Credit.Vat * 100:N0} %")):</td>
+                        <td colspan="4">Mehrwertsteuer (@($"{Model.Credit.Vat * 100} %")):</td>
                         <td class="number large">+</td>
                         <td colspan="2" class="number large">
                             <span class="fleft">@Model.CurrencySymbol</span>
diff --git a/Elwig/Helpers/Billing/BillingVariant.cs b/Elwig/Helpers/Billing/BillingVariant.cs
index 8abddfa..c4e6797 100644
--- a/Elwig/Helpers/Billing/BillingVariant.cs
+++ b/Elwig/Helpers/Billing/BillingVariant.cs
@@ -151,6 +151,7 @@ namespace Elwig.Helpers.Billing {
             var inserts = new List<(int Year, int DId, int DPNr, int BktNr, long Price, long Amount)>();
             foreach (var part in parts) {
                 var price = !part.MinQuw ? 0.5m : ((part.BktNr == 2 ? 0.8m : (part.BktNr == 1 ? 0.7m : 0.6m)) + ((decimal)(part.Oe - 73) * 0.005m));  // TODO
+                price += (AvNr - 1) * 0.2m;
                 var priceL = Utils.DecToDb(price, 4);
                 var amount = Utils.DecToDb(price * part.Value, 4);
                 inserts.Add((part.Year, part.DId, part.DPNr, part.BktNr, priceL, amount));