Analisis pengendalian persediaan batu bara menggunakan metode economic order quantity

Inventory is an important factor in making a production. Many companies experience problems in terms of inventorycontrol, one example of which is scarity of inventory. The purpose of tis study is to optimize the needs of goods so that the company will notexperience problems with lack of inventory or stockpiling. This research uses the Economic Order Quantity, Safety Stock, Reorder Point, and Maximum Inventory methods by collecting data in the form of inventory of goods needs, ordering costs, and inventorycosts. The results of this research are found to have an economic inventory requirement of 19.716.262 kg. Inventory costs generated through the calculation of the EOQ method are Rp. 90.750.967. The safety stock value of 855.580 kg is useful to protect andanticipate the occurrence of inventory shortages, so the company must be on guard when it is at that value. Then, the ReorderPoint value is obtained at 907.210 kg. Furthermore, the value of the Maximum Inventory is 20.571.842 kg so the company is not recommended to have inventory more than that value.