A local paint store uses a (Q, R) inventory system to control its stock levels. For a popular eggshell indoor paint, historical data shows the distribution of annual demand is approximately normal, with a mean of 468 cans and variance of 1872, expressed as A N (468, 1872). Replenishment lead time for this paint is about 14 weeks. Each can of paint costs the store $6. The fixed cost of replenishment is $45 per order and holding costs are based on a 20% annual interest rate. N What is the holding cost h? What is the new reorder point under the optimal service level? O a. 189 cans O b. 149 cans Oc. 172 cans O d. 157 cans