please answer all parts

Q* : TC=$ (b) Using a \$45 per-unit per-year backorder cost, determine the minimum cost inventory policy and total annual cost (in \$) for the model racing cars. (Round your answers to two decimal places.) Q* = TC=$ days (d) Would you recommend a no-backorder or a backorder inventory policy for this product? Explain. Yes, the maximum wait is over a week long, but the cost savings of the backorder case is large enough to justify a long wait. Yes, the maximum wait is less than a week and the backorder case has a lower cost than the EOQ case. No, the maximum wait is over a week long, which does not justify the cost savings of the backorder case. No, the maximum wait is less than a week but the EOQ case has a lower cost than the backorder case. No, the maximum wait is over a week long and the EOQ case has a lower cost than the backorder case. (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.) EOQBackorderr=r=