Contemporary Engineering Economics (6th Edition)
6th Edition
ISBN: 9780134105598
Author: Chan S. Park
Publisher: PEARSON
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Chapter 12, Problem 10P
To determine
Calculate the present worth.
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A toy manufacturing company works on three types of models, each of which could be produced on the same machine. The detailed information is shown in the table below. The company operates 200 days per year, with two 8-hour shifts, and requires a 15% capacity cushion for each machine to allow for preventive maintenance, breakdowns, and other unforeseen circumstances. Currently they have two machines. How many additional machines will be required to fulfill the predicted annual demand? You need to show the details for calculating demand, supply, and the number of machines needed to get full credit.
Job Type
Model A
Model B
Model C
Demand (units/year)
6000
4000
5000
Process time (hours/unit)
.8
.75
.25
Average lot size (unites/lot)
40
100
50
Set time (hours) per lot
1.0
1.5
0.5
Apple is planning to launch a new easy-to-use kitchen appliance with a touchscreen interface, the iToaster. Apple expects to sell 1 million and 2 million units in the first two years after launch, respectively, and then to discontinue this product. Each unit will sell for $200 in the first year after launch, and $150 in the second year. The costs of components and labor are $60 per unit, while salaries and other expenses add up to $10 million in each year the product is sold.
The factory that manufactures the iToaster requires an investment of $60 million right now and $30 million one year from now. It will take one year to complete, so production will only start in the second year. The factory will be depreciated linearly to zero over 5 years after its completion.
To get production up and running, Apple has to buy components worth $5 million immediately before the launch of the product, and add another $2 million worth of components to its inventory exactly one year later.
The firm's…
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Chapter 12 Solutions
Contemporary Engineering Economics (6th Edition)
Ch. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11P
Ch. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28P
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