a. Find the critical path and the normal project length. b. Find the project length and project cost if all activities are crashed to their minimum completion times. c. Which activities would you crash? What would be the total cost when crashing only these activities (rather than all of them, as above)?
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- Draw the precedence diagramA forecast of 320 units in January, 400 units in February,and 240 units in March has been approved for the seismic-sensory product family manufactured at the Rockport facilityof Maryland Automated, Inc. Three products, A, B, and C,comprise this family. The product mix ratio for products A,B, and C for the past 2 years has been 35 percent, 40 percent,and 25 percent, respectively. Management believes that themonthly forecast requirements are evenly spread over the4 weeks of each month. Currently, 15 units of product C areon hand. The company produces product C in lots of 40, andthe lead time is 2 weeks. A production quantity of 40 unitsfrom the previous period is scheduled to arrive in week 1. Thecompany has accepted orders of 25, 9, 11, 5, 4, and 9 unitsof product C in weeks 1 through 6, respectively. Prepare aprospective MPS for product C and calculate the available-to-promise inventory quantitiesNetwork Design (Supply Chain Management) Blueberry, Inc. is a cell phone manufacturer serving the North American market. Current annual demand of their product in North America is 5,000,000. Over the next two years, demand in North America is expected to go up by 50 percent with a probability of 0.80, or go down by 15 percent with a probability of 0.20. Blueberry, Inc. currently has a production facility in N. America with a capacity of 5,000,000 units per year while the variable production cost per phone is $10. Each phone sells for $35. Blueberry, Inc. is contemplating on adding 5,000,000 units of capacity to the plant which will incur an additional fixed cost of $75,000,000. Assume that Blueberry, Inc. uses a discount factor of 12 percent. What is the probability that the demand will be more than 10,000,000?
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