diff --git a/cfg/config.json b/cfg/config.json
index cd65f36..aceb176 100644
--- a/cfg/config.json
+++ b/cfg/config.json
@@ -356,8 +356,8 @@
           "access_token": null,
           "wsdl_header": {
             "Authentification": {
-              "user": "33333333331010",
-              "signature": "pass"
+              "user": "user-valid",
+              "signature": "SandboxPasswort2023!"
             }
           }
         },
diff --git a/package-lock.json b/package-lock.json
index 7688b9d..12e83f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,6 +19,7 @@
         "@restorecommerce/service-config": "^1.0.15",
         "@types/soap": "^0.21.0",
         "@types/xml-js": "^1.0.0",
+        "bignumber.js": "^9.1.2",
         "dayjs": "^1.11.10",
         "redis": "^4.6.14",
         "soap": "^1.0.1",
@@ -3886,6 +3887,15 @@
       "dev": true,
       "peer": true
     },
+    "node_modules/bignumber.js": {
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz",
+      "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==",
+      "license": "MIT",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/binary-search": {
       "version": "1.3.6",
       "resolved": "https://registry.npmjs.org/binary-search/-/binary-search-1.3.6.tgz",
diff --git a/package.json b/package.json
index 745ce9b..b21590d 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "@restorecommerce/service-config": "^1.0.15",
     "@types/soap": "^0.21.0",
     "@types/xml-js": "^1.0.0",
+    "bignumber.js": "^9.1.2",
     "dayjs": "^1.11.10",
     "redis": "^4.6.14",
     "soap": "^1.0.1",
diff --git a/src/services/fulfillment_product.ts b/src/services/fulfillment_product.ts
index 41233d0..595a55f 100644
--- a/src/services/fulfillment_product.ts
+++ b/src/services/fulfillment_product.ts
@@ -1,4 +1,5 @@
 import { randomUUID } from 'node:crypto';
+import { BigNumber } from 'bignumber.js';
 import {
   createClient,
   createChannel,
@@ -838,12 +839,12 @@ export class FulfillmentProductService
                     !!customer.payload.private?.user_id,
                   )
                 );
-                const gross = price.sale ? price.sale_price : price.regular_price;
+                const gross = new BigNumber(price.sale ? price.sale_price : price.regular_price);
                 const vats = taxes.map((tax): VAT => ({
                   tax_id: tax.id,
-                  vat: gross * tax.rate,
+                  vat: gross.multipliedBy(tax.rate).decimalPlaces(2).toNumber(),
                 }));
-                const net = vats.reduce((a, b) => a + b.vat, gross);
+                const net = vats.reduce((a, b) => a.plus(b.vat), gross).decimalPlaces(2).toNumber();
 
                 return {
                   id: randomUUID(),
@@ -862,7 +863,7 @@ export class FulfillmentProductService
                   price,
                   amount: {
                     currency_id: price.currency_id,
-                    gross,
+                    gross: gross.toNumber(),
                     net,
                     vats,
                   }
diff --git a/src/stubs/dhl_soap.ts b/src/stubs/dhl_soap.ts
index ba979d4..c511584 100644
--- a/src/stubs/dhl_soap.ts
+++ b/src/stubs/dhl_soap.ts
@@ -615,8 +615,6 @@ export class DHLSoap extends Stub {
           if (config.ordering?.access_token) {
             client.addHttpHeader('Authorization', `Bearer ${config.ordering.access_token}`);
           }
-
-          console.log(client.getHttpHeaders())
           return client;
         }
       );
diff --git a/test/fulfillment-srv-dhl.spec.ts b/test/fulfillment-srv-dhl.spec.ts
index 4ca41e6..ee50493 100644
--- a/test/fulfillment-srv-dhl.spec.ts
+++ b/test/fulfillment-srv-dhl.spec.ts
@@ -295,7 +295,6 @@ describe('Testing Fulfillment Service Cluster:', () => {
       it(`should submit fulfillment by valid samples: ${sample_name}`, async function() {
         this.timeout(60000);
         const response = await fulfillment_client.submit(sample);
-        console.log(response);
         should.equal(
           response?.operationStatus?.code, 200,
           'response.operationStatus.code expected to be 200',
diff --git a/test/mocks.ts b/test/mocks.ts
index 39b0e92..9482169 100644
--- a/test/mocks.ts
+++ b/test/mocks.ts
@@ -465,7 +465,7 @@ const validFulfillmentProducts: { [key:string]: FulfillmentProductList } = {
           attributes: [],
         },{
           id: 'urn:restorecommerce:fulfillment:product:attribute:dhl:accountNumber',
-          value: '22222222220104',
+          value: '33333333330102',
           attributes: [],
         }],
         variants: [{
@@ -531,7 +531,7 @@ const validFulfillmentProducts: { [key:string]: FulfillmentProductList } = {
           attributes: [],
         },{
           id: 'urn:restorecommerce:fulfillment:product:attribute:dhl:accountNumber',
-          value: '22222222220104',
+          value: '33333333330102',
           attributes: [],
         }],
         variants: [{
@@ -597,7 +597,7 @@ const validFulfillmentProducts: { [key:string]: FulfillmentProductList } = {
           attributes: [],
         },{
           id: 'urn:restorecommerce:fulfillment:product:attribute:dhl:accountNumber',
-          value: '22222222220104',
+          value: '33333333330102',
           attributes: [],
         }],
         variants: [{
@@ -663,7 +663,7 @@ const validFulfillmentProducts: { [key:string]: FulfillmentProductList } = {
           attributes: [],
         },{
           id: 'urn:restorecommerce:fulfillment:product:attribute:dhl:accountNumber',
-          value: '22222222220104',
+          value: '33333333330102',
           attributes: [],
         }],
         variants: [{