Engineering Economics
If interest is paid more than once in a year, ‘i’ is the rate of interest per year, ‘n’ is the number of periods in years and ‘m’ is a number of periods per years, compound amount factor (CAF) is:

(1 + i/n)1/m
(1 + i/n)m
(1 + i/m)1/n
(1 + i/m)n

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Engineering Economics
Which one of the following questions is relevant to the construction estimates?

How much money will the contractor's risk, loosing if he were to submit bid on the raw estimate of cost
Did the estimators use short cut methods which may be unrealistic in their situation
Did the estimators precisely evaluate site conditions
All of these

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