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 - 240 units/week Lead time 4 weeks Order cost $60/order Unit cost $88 Carrying charge rate=0.045 Desired service level = 85 percent Standard deviation of weekly demand = 35 Number of weeks per year 52 Use the FPS Safety Stock Excel template in MindTap to compute 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 up to the nearest whole number and round your answer for M to the nearest whole number T: weeks M