[13 points) TStac buys chemical solvent (Acetone) from a supplier. Acetone costs $50 per liter, the ordering cost is $80, and inventory holding cost is based on a 24% annual interest rate (assume simple interest rate). The company uses an average of 40,000 liters of Acetone per year. The standard deviation of demand per week is 0.60% of the annual demand. Expected lead time for order arrival is 4 weeks with standard deviation of 1.5 days. The company would like to achieve 97.5% customer service level. 8. What is the order quantity? (Round up your answer) [3 points] What is the expected demand during lead time? (Round up your answer) (2 points) What is the standard deviation of the demand during lead time? (Round up your answer) [2 points] What is the safety stock? (Round up your answer) [2 points] What is the reorder point? [2 points] What is the average number of orders in a year the company makes? (Round up your answer) [2 points) 10