i need several questions to be answered for my operation management classÂ
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1. The table below provides shipping rates for packages using next day (1-day) air or 5-day ground service options. The rates vary according to the weight of the package. Suppose you have a package weighing 15 pounds that needs to be shipped. The value of the material is $10,000 and the annual inventory holding rate is 40 percent of the product value. What is your total cost if you use the ground carrier? The air carrier? Which transportation mode (air or ground) minimizes the total shipping and transit inventory cost?Â
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WeightÂ |
Next Day AirÂ |
5-Day GroundÂ |
1-5 lbs.Â |
$33.50Â |
$7.10Â |
6-10 lbs.Â |
$52.50Â |
$8.45Â |
11-15 lbs.Â |
$68.25Â |
$11.15Â |
16-20 lbs.Â |
$75.75Â |
$13.45Â |
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2. Suppose Jones Company has orders from three customers located in the same market area. One order has a total weight of 4,000 pounds, the second weighs 8,000 pounds, and the third weighs 14,000 pounds. The transportation carrier quotes the following rates:Â
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Shipment WeightÂ |
Cost per 100 PoundsÂ |
1,000-4,999 lbs.Â |
$20.00Â |
5,000-9,999 lbs.Â |
$18.00Â |
10,000-14,999 lbs.Â |
$16.50Â |
15,000-19,999 lbs.Â |
$15.00Â |
20,000 lbs. or moreÂ |
$13.50Â |
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Â If the orders are combined into one shipment, the carrier will charge $200 for each stop it is required to make. Should Jones consolidate the three shipments?Â
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3. Why is the use of warehouses for crossdocking much more attractive to retail and grocery firms, compared to their more traditional use as storage points?Â
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4. Assume that you are the regional operations manager responsible for 27 Burger Queen restaurants. What types of demand forecast (level of detail, units of analysis, time horizon, etc.) do you think you would need for your short-term planning? What decisions would each forecast support? Identify the users of each forecast.Â
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5. Think of three instances in your life when you confronted sellersâ€™ demand management practices. As a value-conscious customer, do you think that each of the three sellers served you well?Â
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6. Given the series of demand data belowÂ
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Period:Â |
1Â |
2Â |
3Â |
4Â |
5Â |
6Â |
7Â |
8Â |
9Â |
10Â |
Demand:Â |
40Â |
33Â |
56Â |
43Â |
23Â |
45Â |
38Â |
40Â |
29Â |
40Â |
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a. Calculate the forecasts for period 7 through 11 using moving average models with Ã°Ââ€˜â€º=2, Ã°Ââ€˜â€º=4, and Ã°Ââ€˜â€º=6.Â
b. Calculate the MFE and MAD for each set of forecasts (i.e. for Ã°Ââ€˜â€º=2, Ã°Ââ€˜â€º=4, and Ã°Ââ€˜â€º=6). Which moving average model is best?Â
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c. If the forecast for period 5 was 20, calculate the forecasts for period 7 through 11 using exponential smoothing with Ã°Ââ€ºÂ¼=0.4.Â
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Subject | Business |
Due By (Pacific Time) | 04/20/2016 02:00 pm |
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