Select the pairing that is correctly matched. a.) Preferred stock: is a form of a loan b.) Common stock: has a callability feature c.) Common stock: holder may participate in the annual general meeting

Aproduct 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