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expert already got this wrong so please double check work

will vote

The A\&M Hobby Shop carries a line of radio-controlled model racing cars. Demand for the cars is assumed to be constant at a rate of 50 cars per month. The cars cost $70 each, and ordering costs are approximately $15 per order, regardless of the order size. The annual holding cost rate is 20%. (Round your answers to two decimal places.) Q=TC=$ (b) Using a $45 per-unit per-year backorder cost, determine the minimum cost inventory policy and total annual cost (in s) for the model racing cars. (Round your answers to two decimal places.) Q=TC=$ (c) What is the maximum number of days a customer would have to wait for a backorder under the policy in part (b)? Assume that the Hobby Shop is open for business 300 days per year. (Round your answer to two decimal places.) x days (e) If the lead time is six days, what is the reorder point for both the no-backorder and backorder inventory policies? (Round your answers to two decimal places.) EOQ r= Backorder r=