# ISCOM 350 Week 5 Operations Management Problem Exercises

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 Complete the following from Ch. 11, Ch. 12, Ch. 14, and Ch. 15 of Operations Management:Question 11-1...11-1. Describe in general terms, how you think the distribution system, for McDonald’s works.Problem 12-1...12-1. The Hartley-Davis motorcycle dealer in the Minneapolis–St. Paul area wants to be able to forecast accurately the demandfor the Roadhog Super motorcycle during the nextmonth. From sales records, the dealer has accumulated thedata in the following table for the past year.Month Motorcycle SalesJanuary 9February 7March 10April 8May 7June 12July 10August 11September 12October 10November 14December 16a. Compute a three-month moving average forecast ofdemand for April through January (of the next year).b. Compute a five-month moving average forecast forJune through January.c. Compare the two forecasts computed in parts (a) and(b) using MAD. Which one should the dealer use forJanuary of the next year?Problem 14-26Question 15-1Question 15-2Question 15-3Click the Assignment Files tab to submit your assignment. Supplement: S14-26. Fun ’n Games is a large discount toy store in Fashion CityMall. The store typically has slow sales in the summermonths that increase dramatically and rise to a peak at Christmas.However, during the summer and fall, the store mustbuild up its inventory to have enough stock for the Christmasseason. In order to purchase and build up its stock during themonths when its revenues are low, the store borrows money.Following is the store’s projected revenue and liabilitiesschedule for July through December (where revenuesare received and bills are paid at the first of each month).Month Revenues LiabilitiesJuly \$20,000 \$60,000August 30,000 60,000September 40,000 80,000October 50,000 30,000November 80,000 30,000December 100,000 20,000At the beginning of July the store can take out a sixmonthloan that carries an 11% interest rate and must bepaid back at the end of December. (The store cannot reduceits interest payment by paying back the loan early.)The store can also borrow money monthly at a rate of 5%interest per month. Money borrowed on a monthly basismust be paid back at the beginning of the next month.The store wants to borrow enough money to meet its cashflow needs while minimizing its cost of borrowing.a. Formulate and solve a linear programming model forthis problem.b. What would be the effect on the optimal solution ifthe store could secure a 9% interest rate for a 6-monthloan from another bank? Supplement: 15-1. Describe a production environment in which MRP wouldbe useful. Describe a production environment in whichMRP would not be useful.15-2. Explain with an example the difference between dependentand independent demand.15-3. What are the objectives, inputs, and outputs of an MRPsystem?

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