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Real estate developer Russell Call was working with a few contractors to make a number of improvements to one of his rental properties. After gathering information from these contractors he determined the following durations, predecessors, and costs of all the required activities: Activity Normal Time (weeks) Crashed Time (weeks) A 3 2 B 6 5 C 3 2 D 7 3 E 6 3 F 4 2 G 4 2 Normal Cost Crashed Cost Predecessor(s) $1,000 $3,200 $2,160 $2,500 $1,300 $2,800 $2,600 $2,250 $2,000 $1,650 $4,000 $1,600 $5,180 $2,050 - A B C D, E What is the total cost of crashing the project from its current duration down to 13 weeks?

Real estate developer Russell Call was working with a few contractors to make a number of improvements to one of his rental properties. After gathering information from these contractors he determined the following durations, predecessors, and costs of all the required activities: Activity Normal Time (weeks) Crashed Time (weeks) A 3 2 B 6 5 C 3 2 D 7 3 E 6 3 F 4 2 G 4 2 Normal Cost Crashed Cost Predecessor(s) $1,000 $3,200 $2,160 $2,500 $1,300 $2,800 $2,600 $2,250 $2,000 $1,650 $4,000 $1,600 $5,180 $2,050 - A B C D, E What is the total cost of crashing the project from its current duration down to 13 weeks?

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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What is the total cost of crashing the project from its current duration down to 13 weeks?
Real estate developer Russell Call was working with a few contractors to make a number of improvements to one of his rental properties. After gathering information from these contractors, he determined the following durations, predecessors, and costs of all the required activities: | Activity | Normal Time (weeks) | Crashed Time (weeks) | Normal Cost | Crashed Cost | Predecessor(s) | |----------|---------------------|----------------------|-------------|--------------|----------------| | A | 3 | 2 | $1,000 | $3,200 | - | | B | 6 | 5 | $2,160 | $2,500 | - | | C | 3 | 2 | $1,300 | $2,800 | - | | D | 7 | 3 | $2,000 | $2,600 | A | | E | 6 | 3 | $1,650 | $2,250 | B | | F | 4 | 2 | $4,000 | $5,180 | C | | G | 4 | 2 | $1,600 | $2,050 | D, E | The task is to determine the total cost of crashing the project from its current duration down to 13 weeks.
Transcribed Image Text:Real estate developer Russell Call was working with a few contractors to make a number of improvements to one of his rental properties. After gathering information from these contractors, he determined the following durations, predecessors, and costs of all the required activities: | Activity | Normal Time (weeks) | Crashed Time (weeks) | Normal Cost | Crashed Cost | Predecessor(s) | |----------|---------------------|----------------------|-------------|--------------|----------------| | A | 3 | 2 | $1,000 | $3,200 | - | | B | 6 | 5 | $2,160 | $2,500 | - | | C | 3 | 2 | $1,300 | $2,800 | - | | D | 7 | 3 | $2,000 | $2,600 | A | | E | 6 | 3 | $1,650 | $2,250 | B | | F | 4 | 2 | $4,000 | $5,180 | C | | G | 4 | 2 | $1,600 | $2,050 | D, E | The task is to determine the total cost of crashing the project from its current duration down to 13 weeks.
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