Retailers Warehouse (RW) is an independent supplier of household items to department stores. RW attempts to stock enough items for a 98 percent service probability. A stainless-steel knife set is one item It stocks. Demand (2, 400 sets per year) is relatively stable over the entire year. Whenever new stock Is ordered, a buyer must assure that numbers are correct for stock on hand and then phone in a new order. the total cost involved to place an order is about $5. RW figures that holding inventory in stock and paying for interest on borrowed capital, insurance, and so on, add up to about $4 holding cost per unit per year. Analysis of the past data shows that the standard deviation of demand from retailers is about four units per day for a 365-day year. Lead time to get the order is seven days. a. What is the economic order quantity? (Round your answer to the nearest whole number.) Economic order quantity | sets What is the reorder point? (Use Excel's NORMSINV () function to find the z value. Do not round intermediate calculations. Round z value to 2 decimal places and final answer to the nearest whole number.)