Engineering Economics
Pick up the main purpose of project cost control from the following:

To promote cost consciousness
To signal immediate warning of uneconomic operations
All of these
To provide a feed back to the estimator

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Engineering Economics
In a cash-flow diagram:

Time 1 is considered to be the end of time period 1
Time 0 is considered to be the present
A vertical arrow pointing up indicates a positive cash flow
All of these

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Engineering Economics
A construction estimate is used

To produce a statement of the approximate cost
None of these
To decide an approximation of the value of the project and not the exact cost
To judge tentatively or approximate value of the project

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