Engineering Economics
What refers to the goods and services that are desired by human and will be acquired only after all the needs have been satisfied?

Consumer products
Necessity
Luxury
Producer products

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

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

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