| Summary: | PT. Gula Putih Mataram is one of sugar cane plantations and sugar
industries who requires the control of its fertilizer supplies. The research was
conducted in Warehouse Plantation to calculate the economic order quantity of
each fertilizer (Urea, TSP, ZA, and KCl) and compare the total inventory cost of
company�s calculation method with Economic Order Quantity (EOQ) method, as
well as the efficiency of total inventory cost acquired each fertilizer during April
2012 � March 2013.
The analysis result of inventory calculation with EOQ method is known that
the economic order quantity of each fertilizer per order during April 2012 � March
2013 sorted from the largest to the smallest is 1.533.655 kgs Urea, 430.126 kgs
TSP, 407.362 kgs KCl, and 263.546 kgs ZA. Total inventory cost of each
fertilizer during the calculation period based on EOQ method is less than that
issued by PT. Gula Putih Mataram. The cost efficiency of Urea is 5,69%, TSP
8,25%, ZA 11,39%, and KCl 43,81%.
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