Engineering Economics
What denotes in the fall in the exchange rate of one currency in terms of the others? This term is usually applies to the floating exchange rate.

Currency depreciation
Currency appreciation
Currency devaluation
Currency float

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

To keep the project cost equal to subsequent construction budget
None of these
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

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