diff --git a/backend/prepare.sql b/backend/prepare.sql
index 979a828..de14924 100644
--- a/backend/prepare.sql
+++ b/backend/prepare.sql
@@ -35,7 +35,8 @@ CREATE TABLE IF NOT EXISTS product_prices (
 CREATE TABLE IF NOT EXISTS receipts (
     id INTEGER PRIMARY KEY,
     user INTEGER NOT NULL,
-    datetime INTEGER NOT NULL,
+    total_dkk_cent INTEGER NOT NULL,
+    timestamp INTEGER NOT NULL,
 
     FOREIGN KEY(user) REFERENCES users(id)
 );
diff --git a/backend/src/controllers/carts.c b/backend/src/controllers/carts.c
index a1ea7d5..374c49b 100644
--- a/backend/src/controllers/carts.c
+++ b/backend/src/controllers/carts.c
@@ -73,6 +73,7 @@ void route_post_carts_purchase(HttpCtx* ctx)
         .id = 0,
         .user_id = session->user_id,
         .timestamp = NULL,
+        .total_dkk_cent = total_dkk_cent,
         .products = (ReceiptProductVec) { 0 },
     };
     receipt_product_vec_construct(&receipt.products);
diff --git a/backend/src/controllers/receipts.c b/backend/src/controllers/receipts.c
index 38b1d49..1d8126b 100644
--- a/backend/src/controllers/receipts.c
+++ b/backend/src/controllers/receipts.c
@@ -49,6 +49,7 @@ void route_get_receipts_one(HttpCtx* ctx)
 
     ReceiptsOneRes res = {
         .receipt_id = receipt.id,
+        .total_dkk_cent = receipt.total_dkk_cent,
         .timestamp = str_dup(receipt.timestamp),
         .products = (ReceiptsOneResProductVec) { 0 },
     };
diff --git a/backend/src/db/db_sqlite.c b/backend/src/db/db_sqlite.c
index e56058b..48e3152 100644
--- a/backend/src/db/db_sqlite.c
+++ b/backend/src/db/db_sqlite.c
@@ -517,7 +517,7 @@ l0_return:
 
 DbRes db_receipt_insert(Db* db, const Receipt* receipt, int64_t* id)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
     static_assert(sizeof(ReceiptProduct) == 32, "model has changed");
 
     sqlite3* connection;
@@ -526,8 +526,8 @@ DbRes db_receipt_insert(Db* db, const Receipt* receipt, int64_t* id)
 
     sqlite3_stmt* stmt;
     int prepare_res = sqlite3_prepare_v2(connection,
-        "INSERT INTO receipts (user, datetime) "
-        "VALUES (?, unixepoch('now'))",
+        "INSERT INTO receipts (user, total_dkk_cent, timestamp) "
+        "VALUES (?, ?, unixepoch('now'))",
         -1,
         &stmt,
         NULL);
@@ -539,10 +539,11 @@ DbRes db_receipt_insert(Db* db, const Receipt* receipt, int64_t* id)
     }
 
     sqlite3_bind_int64(stmt, 1, receipt->user_id);
+    sqlite3_bind_int64(stmt, 2, receipt->total_dkk_cent);
 
     int step_res = sqlite3_step(stmt);
     if (step_res != SQLITE_DONE) {
-        fprintf(stderr, "error: %s\n", sqlite3_errmsg(connection));
+        REPORT_SQLITE3_ERROR();
         res = DbRes_Error;
         goto l0_return;
     }
@@ -574,7 +575,7 @@ DbRes db_receipt_insert(Db* db, const Receipt* receipt, int64_t* id)
 
         int step_res = sqlite3_step(stmt);
         if (step_res != SQLITE_DONE) {
-            fprintf(stderr, "error: %s\n", sqlite3_errmsg(connection));
+            REPORT_SQLITE3_ERROR();
             res = DbRes_Error;
             goto l0_return;
         }
@@ -591,7 +592,7 @@ l0_return:
 DbRes db_receipt_with_id_and_user_id(
     Db* db, Receipt* receipt, int64_t id, int64_t user_id)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
 
     sqlite3* connection;
     CONNECT;
@@ -599,7 +600,9 @@ DbRes db_receipt_with_id_and_user_id(
     sqlite3_stmt* stmt = NULL;
 
     int prepare_res = sqlite3_prepare_v2(connection,
-        "SELECT id, user, datetime(datetime, 'unixepoch') FROM receipts"
+        "SELECT id, user, total_dkk_cent, datetime(timestamp, 'unixepoch') "
+        "FROM "
+        "receipts"
         " WHERE id = ? AND user = ?",
         -1,
         &stmt,
@@ -627,7 +630,8 @@ DbRes db_receipt_with_id_and_user_id(
     *receipt = (Receipt) {
         .id = GET_INT(0),
         .user_id = GET_INT(1),
-        .timestamp = GET_STR(2),
+        .total_dkk_cent = GET_INT(2),
+        .timestamp = GET_STR(3),
         .products = (ReceiptProductVec) { 0 },
     };
 
@@ -674,7 +678,8 @@ l0_return:
 DbRes db_receipt_all_headers_with_user_id(
     Db* db, ReceiptHeaderVec* receipts, int64_t user_id)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
+    static_assert(sizeof(ReceiptHeader) == 32, "model has changed");
 
     sqlite3* connection;
     CONNECT;
@@ -683,8 +688,10 @@ DbRes db_receipt_all_headers_with_user_id(
 
     sqlite3_stmt* stmt;
     sqlite_res = sqlite3_prepare_v2(connection,
-        "SELECT id, user, datetime(datetime, 'unixepoch') FROM receipts WHERE "
-        "user = ?",
+        "SELECT id, user, total_dkk_cent, datetime(timestamp, 'unixepoch')"
+        " FROM"
+        " receipts WHERE"
+        " user = ?",
         -1,
         &stmt,
         NULL);
@@ -700,7 +707,8 @@ DbRes db_receipt_all_headers_with_user_id(
         ReceiptHeader receipt = {
             .id = GET_INT(0),
             .user_id = GET_INT(1),
-            .timestamp = GET_STR(2),
+            .total_dkk_cent = GET_INT(2),
+            .timestamp = GET_STR(3),
         };
         receipt_header_vec_push(receipts, receipt);
     }
diff --git a/backend/src/main.c b/backend/src/main.c
index abef007..10ad31e 100644
--- a/backend/src/main.c
+++ b/backend/src/main.c
@@ -42,7 +42,7 @@ int main(void)
         server, "/product_editor/index.html", route_get_product_editor_html);
     http_server_get(server,
         "/product_editor/product_editor.js",
-        route_get_product_editor_js);
+        route_get_product_editor_html);
 
     http_server_post(server, "/api/carts/purchase", route_post_carts_purchase);
 
diff --git a/backend/src/models/models.c b/backend/src/models/models.c
index 83a03ca..89211a5 100644
--- a/backend/src/models/models.c
+++ b/backend/src/models/models.c
@@ -48,7 +48,7 @@ void receipt_product_destroy(ReceiptProduct* m)
 
 void receipt_destroy(Receipt* m)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
 
     free(m->timestamp);
     for (size_t i = 0; i < m->products.size; ++i)
@@ -58,7 +58,7 @@ void receipt_destroy(Receipt* m)
 
 void receipt_header_destroy(ReceiptHeader* m)
 {
-    static_assert(sizeof(ReceiptHeader) == 24, "model has changed");
+    static_assert(sizeof(ReceiptHeader) == 32, "model has changed");
 
     free(m->timestamp);
 }
@@ -96,7 +96,7 @@ void receipts_one_res_product_destroy(ReceiptsOneResProduct* m)
 
 void receipts_one_res_destroy(ReceiptsOneRes* m)
 {
-    static_assert(sizeof(ReceiptsOneRes) == 40, "model has changed");
+    static_assert(sizeof(ReceiptsOneRes) == 48, "model has changed");
 
     free(m->timestamp);
     for (size_t i = 0; i < m->products.size; ++i)
@@ -200,7 +200,7 @@ char* product_price_to_json_string(const ProductPrice* m)
 
 char* receipt_to_json_string(const Receipt* m)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
 
     String string;
     string_construct(&string);
@@ -208,10 +208,12 @@ char* receipt_to_json_string(const Receipt* m)
         "{"
         "\"id\":%ld,"
         "\"user_id\":%ld,"
+        "\"total_dkk_cent\":%ld,"
         "\"timestamp\":\"%s\","
         "\"products\":[",
         m->id,
         m->user_id,
+        m->total_dkk_cent,
         m->timestamp);
 
     for (size_t i = 0; i < m->products.size; ++i) {
@@ -238,7 +240,7 @@ char* receipt_to_json_string(const Receipt* m)
 
 char* receipt_header_to_json_string(const ReceiptHeader* m)
 {
-    static_assert(sizeof(ReceiptHeader) == 24, "model has changed");
+    static_assert(sizeof(ReceiptHeader) == 32, "model has changed");
 
     String string;
     string_construct(&string);
@@ -246,9 +248,12 @@ char* receipt_header_to_json_string(const ReceiptHeader* m)
         "{"
         "\"id\":%ld,"
         "\"user_id\":%ld,"
-        "\"timestamp\":\"%s\"}",
+        "\"total_dkk_cent\":%ld,"
+        "\"timestamp\":\"%s\""
+        "}",
         m->id,
         m->user_id,
+        m->total_dkk_cent,
         m->timestamp);
     char* result = string_copy(&string);
     string_destroy(&string);
@@ -327,16 +332,18 @@ char* receipts_one_res_product_to_json_string(const ReceiptsOneResProduct* m)
 
 char* receipts_one_res_to_json_string(const ReceiptsOneRes* m)
 {
-    static_assert(sizeof(ReceiptsOneRes) == 40, "model has changed");
+    static_assert(sizeof(ReceiptsOneRes) == 48, "model has changed");
 
     String string;
     string_construct(&string);
     string_pushf(&string,
         "{"
         "\"receipt_id\":%ld,"
+        "\"total_dkk_cent\":%ld,"
         "\"timestamp\":\"%s\","
         "\"products\":[",
         m->receipt_id,
+        m->total_dkk_cent,
         m->timestamp);
 
     for (size_t i = 0; i < m->products.size; ++i) {
@@ -475,13 +482,13 @@ int product_price_from_json(ProductPrice* m, const JsonValue* json)
 
 int receipt_from_json(Receipt* m, const JsonValue* json)
 {
-    static_assert(sizeof(Receipt) == 48, "model has changed");
+    static_assert(sizeof(Receipt) == 56, "model has changed");
 
     PANIC("not implemented");
 }
 int receipt_header_from_json(ReceiptHeader* m, const JsonValue* json)
 {
-    static_assert(sizeof(ReceiptHeader) == 24, "model has changed");
+    static_assert(sizeof(ReceiptHeader) == 32, "model has changed");
 
     PANIC("not implemented");
 }
@@ -571,7 +578,7 @@ int receipts_one_res_product_from_json(
 
 int receipts_one_res_from_json(ReceiptsOneRes* m, const JsonValue* json)
 {
-    static_assert(sizeof(ReceiptsOneRes) == 40, "model has changed");
+    static_assert(sizeof(ReceiptsOneRes) == 48, "model has changed");
 
     PANIC("not implemented");
 }
diff --git a/backend/src/models/models.h b/backend/src/models/models.h
index 27411ce..1ed0119 100644
--- a/backend/src/models/models.h
+++ b/backend/src/models/models.h
@@ -46,6 +46,7 @@ DECLARE_VEC_TYPE(ReceiptProduct, ReceiptProductVec, receipt_product_vec, )
 typedef struct {
     int64_t id;
     int64_t user_id;
+    int64_t total_dkk_cent;
     char* timestamp;
     ReceiptProductVec products;
 } Receipt;
@@ -55,6 +56,7 @@ DECLARE_VEC_TYPE(Receipt, ReceiptVec, receipt_vec, )
 typedef struct {
     int64_t id;
     int64_t user_id;
+    int64_t total_dkk_cent;
     char* timestamp;
 } ReceiptHeader;
 
@@ -113,6 +115,7 @@ DECLARE_VEC_TYPE(ReceiptsOneResProduct,
 
 typedef struct {
     int64_t receipt_id;
+    int64_t total_dkk_cent;
     char* timestamp;
     ReceiptsOneResProductVec products;
 } ReceiptsOneRes;