Engineering Economics
What refers to an imaginary cost representing what will not be received if a particular strategy is rejected?

Opportunity cost
Horizon cost
Null cost
Ghost cost

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Engineering Economics
In a cash-flow diagram:

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

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Engineering Economics
Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

To have a check on a definitive cost estimate
To check quotations from contractors and/or sub-contractors
All of these
To compute target estimate for the owner while drawing and specifications are in initial stage

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Engineering Economics
Which is true about partnership?

Its capitalization must be equal for each partner.
It has a perpetual life.
It can be handed down from one generation of partners to another.
It will be dissolved if one of the partners ceases to be connected with the partnership.

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