Engineering Economics
A form of business organization in which a person conducts his business alone and entirely for his own profit, being solely responsible for all its activities and liabilities.

Sole proprietorship
Corporation
Partnership
Entrepreneurship

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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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