Suppose that Sam's Pet Hotel in Problem 13 uses a P system instead of a Q system. The average daily demand

a. What P (in working days) and T should be used to approximate the cost trade-offs of the EOQ?
b. How much more safety stock is needed than with a Q system?
c. It is time for the periodic review. How much kitty litter should be ordered?

Data from problem 13

Sam's Pet Hotel operates 52 weeks per year, 6 days per week, and uses a continuous review inventory system. It purchases kitty litter for $11.70 per bag. The following information is available about these bags.

Current on-hand inventory is 320 bags, with no open orders or backorders.

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is d= 90 6 daily demand is od = 15 bags and the standard deviation of Tweek (15/√6) = 6.124 bags. V6 =