The Hastings Company is a nation-wide wholesaler for small electronic devices. One of its most popular items is a new GPS unit called the WAMI- 1000. The company operates 365 days (52 weeks) in a year. Hastings has gathered the following information: Average demand = 1,000 unitsl'week Standard deviation of weekly demand = 200 units Average lead time = 5 weeks Standard deviation of lead time: 1.5 weeks 2 (service level) =1.04 What is the optimal amount of safety stock for the company? Select one: Q a. 1565.25 0 61627.66 0 c. 6627.86 0 d. 5000