Based on the calculation of the total cost of inventories according to the calculation
above of eoq then come by the frequency of purchase quantity 52 times per-order is the
most efficient 39,817 kg and the total cost of the inventory is IDR. 33,554,473,078. With
the same method of calculating the frequency reservations has been calculated according
to the company and the calculation of Economic Order Quantity (EOQ) start from year
2007 – 2012 the result can be seen in the following table: