Suppose we are analyzing the weekly demand for a given product that averages 1,500 units with a standard deviation = 800 units. Each product costs $10, and incurs a holding cost of 25% per year to carry inventory. The company has an opportunity to set up a warehouse in the local area to avoid the international shipping costs. Each order shipped from Europe currently incurs a fixed transportation and delivery cost of $10,000. If the delivery lead time from Europe is 4 weeks and the company wants to provide its customers a service level of 90%, approximately how much safety stock should it carry? Select one: O a. 1,025 units O b. 4,100 units O c. 6,075 units d. 2,050 units