diff --git a/Admin/Installer.php b/Admin/Installer.php
index 174c04f..2858aeb 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -118,6 +118,21 @@ class Installer extends InstallerAbstract
                             PRIMARY KEY (`itemmgmt_partslist_id`)
                         )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
                 )->execute();
+			
+		$dbPool->get('core')->con->prepare(
+                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get('core')->prefix . 'itemmgmt_sales_price` (
+                            `itemmgmt_sales_price_id` int(11) NOT NULL AUTO_INCREMENT,
+                            `itemmgmt_sales_price_customer` int(11) DEFAULT NULL,
+			    `itemmgmt_sales_price_group` int(11) DEFAULT NULL,
+                            `itemmgmt_sales_price_amount` varchar(50) DEFAULT NULL,
+                            `itemmgmt_sales_price_price` int(11) DEFAULT NULL,
+                            `itemmgmt_sales_price_bonus` int(11) DEFAULT NULL,
+                            `itemmgmt_sales_price_discountp` int(11) DEFAULT NULL,
+                            `itemmgmt_sales_price_discount` int(11) DEFAULT NULL,
+			    `itemmgmt_sales_price_item` int(11) DEFAULT NULL,
+                            PRIMARY KEY (`itemmgmt_sales_price_id`)
+                        )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
+                )->execute();
 
                 $dbPool->get('core')->con->prepare(
                     'CREATE TABLE if NOT EXISTS `' . $dbPool->get('core')->prefix . 'itemmgmt_purchase` (
@@ -141,6 +156,7 @@ class Installer extends InstallerAbstract
                             `itemmgmt_purchase_price_discountp` int(11) DEFAULT NULL,
                             `itemmgmt_purchase_price_discount` int(11) DEFAULT NULL,
                             `itemmgmt_purchase_price_weight` int(11) DEFAULT NULL,
+			    `itemmgmt_purchase_price_item` int(11) DEFAULT NULL,
                             PRIMARY KEY (`itemmgmt_purchase_price_id`)
                         )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
                 )->execute();