EVALUASI PENGENDALIAN BAHAN BAKU SEPATU MENGGUNAKAN METODE MRP (MATERIAL REQUIREMENT PLANNING) DENGAN PENDEKATAN LOT SIZING LFL (LOT FOR LOT), EOQ (ECONOMIC ORDER QUANTITY), dan FOQ (FIXED ORDER QUANTITY) (Studi Pada Home Industri UD. Patriot, Mojokerto)

UD. Patriot is one of the company that is engaged in the production of shoes located in Mojokerto, East Java. In order to expenditure savings, especially on inventory management costs, the company must make efficiency. Therefore the company must performing control in all parts inventory costs released to avoid waste cost that is not appropriate. In especially company manufacturing, inventory costs have considerable influence on company's total operating costs. Companies often have a shortage of inventory frequently caused by external factors that are difficult to control such as weather, shipping delays and so on. It may cost the company, due to increase in inventory costs. Therefore the control on the appropriate inventory management can efficient spending on inventory management of the company. The purpose of this study is to understand and analyze the raw of the materials inventory control system at UD. Patriot, as an alternative method of determining the best lot sizing techniques in order to maintain smooth production and improve efficiency, and to determine its performance in terms of raw material inventory cost savings. Lot sizing method used in this research is to use the Material Requirement Planning approaches Lot for Lot (LFL), Economic Order Quantity (EOQ), and Fixed Order Quantity (FOQ), while supplies of components are analyzed include the amount of raw material purchasing, ordering frequency, the average amount of inventory, total cost of ordering, total cost of storage, and total cost of the inventory. According to calculations used by the company methods in 2013, company issued a total cost of Rp. 381.193.472,- shoes inventory. Meanwhile, according to the calculation of the LFL, EOQ, and FOQ each produces total inventory cost of Rp 31.090.000,-, Rp. 221.864.921,-, Rp. 161.749.181,-. From the analysis, the lot size Lot For Lot (LFL) techniques generate the lowest total cost of inventory so good LFL method applied to UD. Patriot shoes company.