TStar buys chemical solvent (Acetone) from a supplier. Acetone costs $50 per liter, the ordering cost is $90, and inventory holding cost is based on a 24% annual interest rate. The company uses an average of 30,000 liters of Acetone per year. The standard deviation of demand per week is 0.5% of the annual demand. Lead time for order arrival is 4 weeks, and the company would like to achieve 95% customer service level. a. (23) Assuming that periodic review is used, calculate i. (5) T*, ii. (6) M*, iii. (3) Average inventory level, iv. (3) Annual inventory holding cost, (2) Average of orders in a year, vi. (4) Total annual cost (inventory holding cost and ordering cost) V. TStar buys chemical solvent (Acetone) from a supplier. Acetone costs $50 per liter, the ordering cost is $90, and inventory holding cost is based on a 24% annual interest rate. The company uses an average of 30,000 liters of Acetone per year. The standard deviation of demand per week is 0.5% of the annual demand. Lead time for order arrival is 4 weeks, and the company would like to achieve 95% customer service level. a. (23) Assuming that periodic review is used, calculate i. (5) T*, ii. (6) M*, iii. (3) Average inventory level, iv. (3) Annual inventory holding cost, (2) Average of orders in a year, vi. (4) Total annual cost (inventory holding cost and ordering cost) V