Pc/MRP is a fully integrated MRP, accounting, and inventory program. Pc/MRP comes complete with ten integrated modules: Address Book, Inventory, Purchasing, Receiving, Sales, Invoicing, Bills of Materials, Stock Room, and Accounting (GL, AP, AR). All of the modules can be accessed through the pc/MRP Main Menu. Modules can be used on a stand alone or integrated basis. Pc/MRP will also integrate with QuickBooks 2003/4 Pro and higher.