Engineering Economics
What refers to the present worth of the probable future net earnings?

Total market value
Earning value
Going concern value
Total fair value

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Engineering Economics
A telephone switchboard 100 pair cable can be made up with either enameled wire or tinned wire. There will be 400 soldered connections. The cost of soldering a connection on the enameled wire will be P 1.65 on the tinned wire, it will be P 1.15. A 100- pair cable made up with enameled wire cost P 0.55 per linear foot and those made up of tinned wire cost P 0.75 per linear foot. Determine the length of cable run in feet so that the cost of each installation would be the same.

1,100 feet
1,000 feet
1,120 feet
1,040 feet

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Engineering Economics
Which is NOT an essential element of an ordinary annuity?

Compound interest is paid on all amounts in the annuity.
The payments are made at equal interval of time.
The first payment is made at the beginning of the first period.
The amounts of all payments are equal.

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