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

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

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Engineering Economics
Each financial ratio is generally compared by

A past ratio calculated from the past financial standard of the firm
A ratio of some selected firms most progressive and successful at the point of consideration
A ratio developed by using the projected financial statement of the firm
All of these

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