Engineering Economics
In a cash-flow diagram:

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

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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
13 months
10 months

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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?

12 months
13 months
10 months
11 months

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

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