A Product Has a Demand of 4000 Units Per Year

Multiple Choice

A product has a demand of 4000 units per year.Ordering cost is $20,and holding cost is $4 per unit per year.The cost-minimizing solution for this product is to order:

A) all 4000 units at one time.
B) 200 units per order.
C) every 20 days.
D) 10 times per year.
E) none of the above