please help!!

Problem 7-16 (Algo) Michigan State Figurine Inc. (MSF) sells crystal figurines to Spartan fans. MSF buys the figurines from a manufacturer for $17 per unit. They send orders electronically to the manufacturer , costing $32 per order and they experience an average lead time of eight days for each order to arrive from the manufacturer. Their inventory carrying cost is 20 percent. The average dally demand for the figurines is three units per day. They are open for business 250 days a year. The supplier decides to offer a volume discount. They will sell the crystal figurines at $7 per unit for orders of 375 units or more. Answer the following questions: o. How many units should the firm order each time? Assume there is no uncertainty at all about the demand or the lead time. (Round up your answer to the next whole number.) Number of uns b. How many orders will they place in a year? Number of orders per year c. What is the average Inventory? (Round your answer to 1 decimal place.) Average inventory units d. What is the annual ordering cost? (Round your answer to 2 decimal places.) Annual ordening cost e. What is the annual inventory carrying cost? (Round your answer to 2 decimal places.) Annual inventory carrying cost