stans southern BBQ supply store orders mass-produced BBQ products from various suppliers. Stan maintains information about a contact person at each supplier along with all required address information. each purchase order has the order number, date, tax and total. Purchase orders also contain the following information for each product ordered: stock number, description, and price. The manager of Stans place orders by fax several times a day, whenever he notices that an item is running low. Some suppliers fill each individual order separately. Others, however, consolidate orders and fill of them in one weekly delivery. Stans suppliers never make partial shipments; if they are out of stock of a certain item, they wait until they obtain that item and then ship the entire order. Some suppliers require payment at time of delivery, but others send Stan a monthly statement detailing all purchases in the current period. Two suppliers allow Stan's to make installment payments for any individual purchase orders that exceed $20,000.

Draw a REA diagram with cardinalities for the expenditure of Stan's Southern BBQ Supply store.