Question: Sam's Cat Hotel operates 50 weeks per year, 7 days per week. It purchases kitty litter for $6.00 per bag. The following information is available
Sam's Cat Hotel operates 50 weeks per year, 7 days per week. It purchases kitty litter for $6.00 per bag. The following information is available about these bags: follows
Demand = 65 bags/week follows
Order cost = $ 50/order
Annual holding cost = 30 percent of cost
Desired cycle-service level equals = 92 percent
Lead time = 1week(s) ( 7 working days)
Standard deviation of weekly demand =4 bags
Current on-hand inventory is 250 bags, with no open orders or backorders.
Suppose that Sam's Cat Hotel uses a P system. The average daily demand, d overbar d, is 9 bags ( 65/ 7), and the standard deviation of daily demand, is 1.512 bags. Refer to the standard normal table for z-values.
a. What P (in working days) and T should be used to approximate the cost trade-offs of the EOQ? The time between orders, P, should be 46 days
The target inventory, T, should be 502 bags
b. How much more safety stock is needed than with a Q system? 10 bags. (Enter your response rounded to the nearest whole number.)
c. It is time for the periodic review. How much kitty litter should be ordered? 252 bags.
please help me to understand this answers.
thanks in advance
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