Engineering Economics
What refers to the market situation in which any given product is supplied by a very large number of vendors and there is no restriction against additional vendors from entering the market?

Oligopsony
Monopoly
Perfect competition
Oligopoly

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Engineering Economics
In a cash flow series:

All of these
Uniform gradient signifies that an income or disbursement changes by the same amount in each interest period
The gradient in the cash flow may be positive or negative
Either an increase or decrease in the amount of a cash flow is called the gradient

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