Question

(12%) A small grocery store sells fresh produce, which it obtains from a local farmer. The...

(12%) A small grocery store sells fresh produce, which it obtains from a local farmer. The grocery store buys fresh organic strawberries weekly for $2.5 per pound and sells for $5 per pound. Excess cost has been $2 per pound. The manager believes that weekly demand can be approximated by a normal distribution with a mean of 40 pounds and a standard deviation of 10 pounds.

a). How much should the store manager order (i.e., optimal stocking point)?

b). Based on (a) above, how much safety stock would be held?

Homework Answers

Answer #1

Cost per pound = 2.5

Selling Price per Pound = 5

Cost of Underage (Cu) = Selling Pricce - Cost = 5 - 2.5 = 2.50

Cost of Overage (Co) = 2

Service Level = Cu/(Cu+Co)

Service Level = 2.50/(2.50+2.00)

Service Level = 2.50/4.50

Service Level = 0.5556

Z = NORM.S.INV(0.5556) = 0.1398

Mean Demand d = 40 pounds

SD of demand = 10

a)

Optimal Order quantity Q = d + Z*Sd of Demand

Q = 40 + 0.1398*10

Q = 41.398

Q = 41.40 pounds

b)

Safety Stock = Z*Sd of Demand

Safety Stock = 0.1398*10

Safety Stock = 1.398

Safety Stock = 1.40 pounds

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