diff --git a/AquanticoLogo_Horizontal.png b/AquanticoLogo_Horizontal.png
new file mode 100644
index 0000000..deedac1
Binary files /dev/null and b/AquanticoLogo_Horizontal.png differ
diff --git a/backend/src/main/java/de/strichliste/entity/TallyEntry.java b/backend/src/main/java/de/strichliste/entity/TallyEntry.java
index a853a80..d89d2a5 100644
--- a/backend/src/main/java/de/strichliste/entity/TallyEntry.java
+++ b/backend/src/main/java/de/strichliste/entity/TallyEntry.java
@@ -23,6 +23,9 @@ public class TallyEntry extends PanacheEntityBase {
     @JoinColumn(name = "product_id", nullable = false)
     public Product product;
 
+    @Column(name = "price_cents_at_booking", nullable = false)
+    public int priceCentsAtBooking;
+
     @Column(name = "month_key", nullable = false, length = 7)
     public String monthKey;
 
diff --git a/backend/src/main/java/de/strichliste/resource/CompanyAdminResource.java b/backend/src/main/java/de/strichliste/resource/CompanyAdminResource.java
index 14666db..1244b1a 100644
--- a/backend/src/main/java/de/strichliste/resource/CompanyAdminResource.java
+++ b/backend/src/main/java/de/strichliste/resource/CompanyAdminResource.java
@@ -171,9 +171,9 @@ public class CompanyAdminResource {
         String monthKey = month != null ? month : LocalDateTime.now().format(MONTH_FORMAT);
 
         List<MonthlyTallyDto> tallies = TallyEntry.find(
-                "SELECT t.product.name, t.product.priceCents, COUNT(t), COUNT(t) * t.product.priceCents " +
+                "SELECT t.product.name, t.priceCentsAtBooking, COUNT(t), SUM(t.priceCentsAtBooking) " +
                 "FROM TallyEntry t WHERE t.employee.id = ?1 AND t.monthKey = ?2 " +
-                "GROUP BY t.product.id, t.product.name, t.product.priceCents",
+                "GROUP BY t.product.id, t.product.name, t.priceCentsAtBooking",
                 employeeId, monthKey)
                 .project(MonthlyTallyDto.class)
                 .list();
diff --git a/backend/src/main/java/de/strichliste/resource/PublicResource.java b/backend/src/main/java/de/strichliste/resource/PublicResource.java
index a337f85..2ec9e4d 100644
--- a/backend/src/main/java/de/strichliste/resource/PublicResource.java
+++ b/backend/src/main/java/de/strichliste/resource/PublicResource.java
@@ -57,6 +57,7 @@ public class PublicResource {
         TallyEntry entry = new TallyEntry();
         entry.employee = employee;
         entry.product = product;
+        entry.priceCentsAtBooking = product.priceCents;
         entry.persist();
 
         return Response.status(Response.Status.CREATED).build();
@@ -83,9 +84,9 @@ public class PublicResource {
         String monthKey = month != null ? month : LocalDateTime.now().format(MONTH_FORMAT);
 
         return TallyEntry.find(
-                "SELECT t.product.name, t.product.priceCents, COUNT(t), COUNT(t) * t.product.priceCents " +
+                "SELECT t.product.name, t.priceCentsAtBooking, COUNT(t), SUM(t.priceCentsAtBooking) " +
                 "FROM TallyEntry t WHERE t.employee.id = ?1 AND t.monthKey = ?2 " +
-                "GROUP BY t.product.id, t.product.name, t.product.priceCents",
+                "GROUP BY t.product.id, t.product.name, t.priceCentsAtBooking",
                 employeeId, monthKey)
                 .project(MonthlyTallyDto.class)
                 .list();
diff --git a/backend/src/main/resources/db/migration/V4__tally_price_at_booking.sql b/backend/src/main/resources/db/migration/V4__tally_price_at_booking.sql
new file mode 100644
index 0000000..fc0c3a9
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V4__tally_price_at_booking.sql
@@ -0,0 +1 @@
+ALTER TABLE tally_entry ADD COLUMN price_cents_at_booking INT NOT NULL DEFAULT 0;