Industry has a very tight competition in the free market era, the producer level.udManufacturers are required to either distribute products to meet customer needs. Customer will be satisfied, if the product arrived on time in accordance with the request, the right amount and right quality. Therefore the production of a good system will greatly improve the achievement of corporate productivity. This resulted in the company should be able to coordinate and plan the production scheduling of customer demand so there is no delay in the delivery of raw materials and supplies so that there is adequate corporate profits increased. udPT. X Surabaya is a printing company engaged in flexible packaging .. This company is a type of job order companies that received orders directly from partner companies.udTherefore, the company is required to be on time in the production process. ud With One method in materials management is Material Requirement Planning (MRP) is a method of ordering material with planned inventory of raw materials. Expected by theudmethod of Material Requirement Planning (MRP) planning and production of raw materials went well and success in meeting customer demand will be optimized, improved sales performance in order to fulfill the order ready at any time. udInventory planning period January 2012 - December 2012 with MRP method using Lotting FPR resulted in a total cost of Rp 208,883,700, - whereas with Lotting EOQ total cost ofudproducing 114.904.15, -, while the Lotting L-4-L produces a total cost of rp. 22,557,400, -.udThus Lotting results using L-4-L can be chosen, for a total cost of terkecil.Perbandingan total cost to the company MRP where the total cost of inventory which released theudcompany is Rp. 18.78 million, -, whereas the MRP method (L-4-L) result in a total cost of Rp. 22,557,400, - so the method is still a good company with seisih of Rp 3,777,400, - or 16.74%
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