Engineering Economics
What refers to the cumulative effect of elapsed time on the money value of an event, based on the earning power of equivalent invested funds capital should or will earn?

Present worth factor
Time value of money
Yield
Interest rate

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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
All of these
Did the estimators use short cut methods which may be unrealistic in their situation
Did the estimators precisely evaluate site conditions

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Engineering Economics
A leading shoe manufacturer produces a pair of Lebron James signature shoes at a labor cost of P 900.00 a pair and a material cost of P 800.00 a pair. The fixed charges on the business are P 5,000,000 a month and the variable costs are P 400.00 a pair. Royalty to Lebron James is P 1,000 per pair of shoes sold. If the shoes sell at P 5,000 a pair, how many pairs must be produced each month for the manufacturer to break-even?

2,632
2.590
2,890
2,712

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