Please Check the first 3 and answer the last 2 questions, Thank you An electronic store stocks and sells a partucular brand of personal computer.

Please Check the first 3 and answer the last 2 questions, Thank you

An electronic store stocks and sells a partucular brand of personal computer.

It costs the firm $450 each time it places an order with the manufacturer.

The cost of carrying one computer in inventory for a year is $170. Estimated

total annual demand is 1,200 units, with a constant demand rate throughout

the year. The lead time for the orders to be received is 10 days. The store is

open for business every day of the year except Christmas Day.  

1.What is optimal order quantity per order.? (The Answer I Got not sure if right) 79.7

2.Minimum total annual inventory costs.? (The Answer I Got not sure if right) 13549.91

3.The optimum number of orders per year?(The Answer I Got not sure if right) 15.056

B) Now, assume that shortages are allowed and shortage cost is $600 per unit per year, answer following 2 questions.

4.How much will be the reduction in total cost per year?

5.What's the maximum number of days a customer will have to wait?