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
All of these
Did the estimators precisely evaluate site conditions

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Engineering Economics
The monthly demand for ice cans being manufactured by Mr. Camus is 3200 pieces. With a manual operated guillotine, the unit cutting cost is P25.00. An electrically operated hydraulic guillotine was offered to Mr. Camus at a price of P275,000.00 and which cuts by 30% the unit cutting cost. Disregarding the cost of money, how many months will Mr. Camus be able to recover the cost of the machine if he decides to buy now?

11 months
12 months
10 months
13 months

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Engineering Economics
In a cash-flow diagram:

All of these
A vertical arrow pointing up indicates a positive cash flow
Time 1 is considered to be the end of time period 1
Time 0 is considered to be the present

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