Motor experts has to decide how many spare batteries of a particular type to order for the newly manufactured cars in the automobile plant. This battery has a demand of 108 units per year and costs $30 each. The holding cost is 25% of the dollar value of inventory per year, and the ordering cost is $20 per order. Q14. What order quantity minimizes the dealer's total holding and ordering cost? Q15. What is the dealer's total cost (holding and ordering cost) per year if he follows the EOQ policy and orders the Economic Order Quantity every time he places an order? Q16. How many orders will the dealer place in a year if he orders the Economic Order Quantity every time he places an order? Q17. Assume that the supplier of batteries is willing to give a 10% discount if the dealer orders 30 units or more at a time. What is the total cost per year (purchasing, ordering, and holding costs) of the dealer if he orders 30 units at a time