contestada

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