please help, double check work a couple experts have got it wrong.

will vote

The Super Discount store (open 24 hours a day, every day) sells 8-packs of paper towels, at the rate of approximately 427 packs per week. Because the towels are so bulky, the annual cost to carry them in inventory is estimated at $0.50. The cost to place an order for more is $2.5, and it takes four days for an order to arrive. (The store operates 52 weeks per year.) (a) Find the optimal order quantity. (Round your answer to the nearest whole number.) (b) What is the reorder point? (c) How often should an order be placed (in days)? (Round your answer to the nearest whole number.) days