Engineering Economics
The common ratio is the ratio of:

Gross profit to net sales
Net credit sales to average net receivable
Net income to owner’s equity
Current assets to current liabilities

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Engineering Economics
Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

To compute target estimate for the owner while drawing and specifications are in initial stage
To check quotations from contractors and/or sub-contractors
To have a check on a definitive cost estimate
All of these

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Engineering Economics
The key to profitable operation for project cost control, is:

To keep the project cost equal to original cost estimate
To keep the project cost within the cost budget and knowing when and where job costs are deviating
None of these
To keep the project cost equal to subsequent construction budget

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