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Chapter 4: Q7OQ (page 441)
What are the four main functions within SAP鈥檚 supply chain software?
The four main functions within SAP鈥檚 supply chain software are supply chain planning, supply chain execution, supply chain collaboration, and supply chain coordination.
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After graduation, you decide to go into a partnership in an office supply store that has existed for some years. Walking through the store and stockrooms, you find a great discrepancy in service levels. Some spaces and bins for items are empty; others have supplies that are covered with dust and have been there a long time. You decide to take on the project of establishing consistent levels of inventory to meet customer demands. Most of your supplies are purchased from just a few distributors that call on your store once every two weeks. You choose, as your first item for study, computer printer paper. You examine the sales records and purchase orders and find that demand for the past 12 months was 5,000boxes. Using your calculator you sample some days鈥� demands and estimate that the standard deviation of daily demand is 10 boxes. You also search out these figures:
Cost per box of paper: $11.
Desired service probability: 98 percent.
The store is open every day.
Salesperson visits every two weeks.
Delivery time following visit is three days.
Using your procedure, how many boxes of paper would be ordered if, on the day the salesperson calls, 60 boxes are on hand?
We have an item that we stock in our store that has fairly steady demand. Our supplier insists that we buy 1,200 units at a time. The lead time is very short on the item since the supplier is only a few blocks away and we can pick up another 1,200 units when we run out. How many units do you expect to have in inventory on average?
From the choice of a simple moving average, weighted moving average, exponential smoothing, and linear regression analysis, which forecasting technique would you consider the most accurate? Why?
Phil would like to consider the costs that his accountants are currently using for inventory carrying and setup for the gearboxes and input shafts. These costs are as follows:
Part | Cost |
Gear Box | Step up = \(90 / order |
Inventory carrying cost = \) 2/unit/week | |
Input Shaft | Set up = \(45/ order |
Inventory carrying cost = \) 1/unit/week |
The accompanying figure shows a production network model with the parts and processing sequences. State clearly in the figure (1) where you would place inventory, (2) where you would perform inspection, and (3) where you would emphasize high-quality output.
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