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Consider a project having the following seven activities:
Normal Normal Crash Crash Maximum
Immediate Time Cost Time Cost Weeks
Activity Predecessors (weeks) ($) (weeks) ($) Reduced
A none 4 3,000 3 5,000 1
B A 9 5,000 7 8,000 2
C A 4 7,000 4 7,000 0
D B, C 6 6,000 4 8,000 2
E C 8 4,000 6 8,000 2
F D 3 4,000 2 9,000 1
G E, F 4 2,000 2 7,000 2
(a)What is the expected project completion time?
(b)What is the critical path?
(c)What is the most economical way and how much will it cost to reduce the completion time of the project by three weeks? By five weeks?
Cash Operating Expenses
Expenses that a company must pay out in cash, such as salaries, utilities, and rent, related to its operational activities.
Incremental Sales
The addition to total sales generated by a specific business activity or decision, beyond what would have otherwise been achieved.
Income Tax Expense
The cost charged against earnings from operations and other activities, representing the amount of income taxes owed to governmental authorities.
Working Capital
The difference between a company's current assets and current liabilities, indicating short-term financial health and operational efficiency.
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