parts d & e please! thank you!

piste W Problem 9 Question Help One of the products sold by OfficeMax is a Hewlett-Packard LaserJet 299 printer. As purchasing manager, you have the following information for the printer: Click the icon to view the information for the printer. a. The EOQ is 33. (Enter your response rounded to the nearest whole number) b. The annual ordering costs and holding costs (ignoring safety stock) for the EOQ is $ 1080 . (Enter your response rounded to the nearest dollar.) c. Suppose Office Max currently orders 140 printers at a time. OfficeMax would pay $ 943 less in holding and ordering costs per year if it ordered just 14 printers at a time. (Enter your response rounded to the nearest dollar.) d. The reorder point for the printer is 279 printers. (Enter your response rounded up to the nearest whole number.) More Info The safety stock for the printer is 25 printers. (Enter your response rounded up to the nearest whole number.) e. Use the following formula to consider the impact of safety stock (SS) on average inventory levels and annual holding (2 +8s)H Average weekly demand (52 weeks per year); 85 printers Standard deviation weekly demand: 11 printers Order lead time: 3 weeks Standard deviation of order lead time: 0(lead times are constant) Item cost: S140 per printer Cost to place an order: S4 Yearly holding cost per printer: $33 Desired service level during reordering period: 90% (z = 1.28) The annual inventory holding cost, including the safety stock, is $ (Enter your response rounded to the nearest dollar Enter your answer in the answer box and then click Check Answer. Print Done 2 parts 4 Question Help KraftyCity is a large retailer that sells power tools and other hardware supplies. One of its products is the KraftyMan workbench. Information i More Info Annual demand = 1,000 Holding cost = $18 Ordering cost = $100 Click the icon to view the table of z values. z value 0.84 1.28 1.65 2.33 3.08 Associated service level 80% 90% 95% 99% 99.9% a. What is the economic order quantity for the workbench? The EOQ is 105 . (Enter your response rounded to the nearest whole number.) b. Suppose that KraftyCity has to pay $55 per workbench for orders under 170 but only $36 per workbench for orders of 171 or more. What| Print Done KraftyCity should order 171 workbenches at a time. (Enter your response rounded to the nearest whole number.) c. The lead time for KraftyCity workbenches is 5 weeks, with a standard deviation of 2.2 weeks, and the average weekly demand is 34, with a standard deviation of 14 workbenches. What should the reorder point be if KraftyCity wants to provide a 99.9% service level? The reorder point is 421 workbenches. (Enter your response rounded to the nearest whole number.) d. Now suppose the supplier of workbenches guarantees KraftyCity that the lead time will be a constant 5 weeks, with no variability (i.e., standard deviation of lead time = 0). Recalculate the reorder point using the demand and service level information in part c. The reorder point if the standard deviation of lead time is 0 weeks is workbenches. (Enter your response rounded to the nearest whole number.)