Engineering Economics
If ‘S’ is the future capital accumulated in ‘n’ years at the rate of interest ‘I’ per annum, then present worth is:

S (1 + i)1/n
S (1 + i)n
S/(1 + i)n
None of these

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Engineering Economics
A construction estimate is used

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

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