| PT. Hero Supermarket, Tbk. is one of the biggest retailers in Indonesia. PT. Hero Supermarket, Tbk. Has several subsidiaries such as Hero, Giant Hypermarket, Giant Supermarket, Guardian and Starmart Minimarket. In the retail industry, the availability of goods is crucial and therefore the ordering process or the procurement of products is so importance that need to be managed well. PT. Hero Supermarket, Tbk. make purchases of goods based on historical data the previous period and also based on a number of goods sold. This causes the total cost of inventory increases. Of course, the company expects the cost to a minimum. In addition the information system in this company requires a relatively long time. This study proposes a method of information systems using the FAST (Framework for the Application of Systems Thinking) and make inventory control system using the EOQ (Economic Order Quantity) and EOI (Economic Order Interval). With this proposed system can also obtain information on the purchase price of goods as the basis of bidding the price of the product to the supplier. The total cost of inventory using the EOQ method is Rp 23,984,263,921, while the total cost of inventory using the EOI method is Rp 23,669,392,487. The difference of the total cost of the current inventory with the total cost of inventory by the EOI method is 12.26%. Thus, the proposed inventory control system is more advantageous due to inventory costs incurred smaller and proposed information systems can provide information quickly and accurately. |