Spreadsheet The Greyhound Company is considering changing its current inventory-control system for electronic picture frames. The information regarding one e-frame is given below: Average demand = 220 units/week Lead time = 2 weeks Order cost = $75/order Unit cost = $78 Carrying charge rate = 0.085 Desired service level = 95 percent Standard deviation of weekly demand = 31 Number of weeks per year = 52 Use the FPS Safety Stock Excel template in MindTap to compute T and M for a fixed-period inventory system model with and without safety stock. Use the rounded EOQ value in your calculations. Use Appendix A to determine z-value. Round z-value to two decimal places. Do not round intermediate calculations. Round your answer for T up to the nearest whole number and round your answer for M to the nearest whole number. T: 20 weeks M