8. The weekly requirement of a part is 950 units. The order cost is $85 per order, the holding cost is $5 per unit per year, and the part cost is $250 per unit. The firm operates fifty-two weeks per year. Compute the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) total annual inventory cost. 12. Icy Snowmobile, Inc., has an annual demand of 1200 snowmobiles. Their purchase cost for each snowmobile is $2500. It costs about $250 to place an order, and the holding rate is 35 percent of the unit cost. Compute the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) total annual inventory cost. 20. Paris Store stocks a part that has a normal distribution demand pattern during the reorder period. Its average demand during lead time is 650 units, and the standard deviation of demand during lead time is 60 units. What are the safety stock and statistical reorder points that result in a 97.5 percent service level?