diff --git a/README.md b/README.md
index 13fb360..01f3bbf 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,8 @@ For this I have worked it all out as follows. The funny thing is that the ID doe
 
 **1 = Stk, 2 = m², 3 = m, 4 = kg, 5 = t, 6 = lfm, 7 = pauschal, 8 = m³, 9 = Std, 10 = km, 11 = %, 12 = Tag(e), 13 = l**
 
+In sevDesk the price is transferred in gross, therefore we have added a calculation of the gross value to the function. So you set the net value + the VAT in the function.
+
 ```go
 Position, err := NewPosition(Position{"45", "1", "16", "Backups", "9", "invoiceID", "token"})
 	if err != nil {
diff --git a/position.go b/position.go
index a926270..461446a 100644
--- a/position.go
+++ b/position.go
@@ -4,13 +4,14 @@ import (
 	"encoding/json"
 	"net/http"
 	"net/url"
+	"strconv"
 	"strings"
 )
 
 type Position struct {
-	Price     string
+	PriceNet  int
 	Quantity  string
-	TaxRate   string
+	TaxRate   int
 	Name      string
 	UnityID   string
 	InvoiceID string
@@ -136,9 +137,9 @@ func NewPosition(config Position) (PositionReturn, error) {
 
 	// Define body data
 	body := url.Values{}
-	body.Set("price", config.Price)
+	body.Set("price", strconv.Itoa(config.PriceNet+(config.PriceNet*config.TaxRate/100)))
 	body.Set("quantity", config.Quantity)
-	body.Set("taxRate", config.TaxRate)
+	body.Set("taxRate", strconv.Itoa(config.TaxRate))
 	body.Set("name", config.Name)
 	body.Set("unity[id]", config.UnityID)
 	body.Set("unity[objectName]", "Unity")