1. A supermarket stocks Hostess Cakes. The demand for these cakes is 6,000 boxes per year (365 days). It costs the store $100 per order, and $0.75 per box per year to keep the cakes in stock. Lead time is 4 days. Determine the following: a) The EOQ. b) The average inventory c) The optimal number of orders per year. d) The annual cost of ordering and holding inventory.
Annual demand (D) = 6000
Ordering cost (O) = $100
Holding cost (H) = $0.75 per box per year
Lead time = 4 days
Ans a)
Economic order quantity =
=
= 1265 boxes per order
Ans b)
Average inventory = 0.5 * 1265
= 632.5 boxes
Ans c)
Optimal number of orders per year =
=
= 4.74 i.e 5 orders per year
Ans d)
Annual ordering cost =
=
= $474.30
Annual holding cost =
=
= $474.37
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