Merge branch 'dev'

backend/web/js/vuejs/document-form.js

                     var price = pricesArray[i].price;
                     var fromQuantity = pricesArray[i].from_quantity;
 
+                    console.log(pricesArray[i]);
+                    console.log(price+" / "+thePrice+" / "+fromQuantity+" / "+theQuantity+" / ");
                     if (price < thePrice && fromQuantity <= theQuantity) {
                         thePrice = price;
                     }

common/models/Product.php

             // base price
             $priceArray[] = [
                 'from_quantity' => 0,
+                'price' => $this->getPrice(),
                 'price_with_tax' => $this->getPriceWithTax(),
             ];
         }
 
         usort($priceArray, function ($a, $b) {
-            if ($a['price_with_tax'] < $b['price_with_tax']) {
+            if ($a['price'] < $b['price']) {
                 return 1;
-            } elseif ($a['price_with_tax'] > $b['price_with_tax']) {
+            } elseif ($a['price'] > $b['price']) {
                 return -1;
             } else {
                 return 0;