Engineering Economics
Perfect monopoly exists only if:

the single vendor can prevent the entry of all other vendors in the market
the single vendor is the only one who has the knowledge of the product
the single vendor gets the absolute franchise of the product
the single vendor is the only one who has the permit to sell

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Engineering Economics
Which is true about corporation?

The stock holders of the corporation are only liable to the extent of their investments.
Its life is dependent on the lives of the incorporators.
It is worse type of business organization.
The minimum number of incorporators to start a corporation is three.

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Engineering Economics
The key to profitable operation for project cost control, is:

To keep the project cost equal to original cost estimate
None of these
To keep the project cost equal to subsequent construction budget
To keep the project cost within the cost budget and knowing when and where job costs are deviating

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