Engineering Economics
In a cash-flow diagram:

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

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Engineering Economics
The financial analysis:

Helps to judge the success of the firm's financial plans
All of these
Helps a share holder to compare the expected return on his investment in the firm against the expected return from other alternative investment
Helps a bank to know the financial position of the firm for granting a loan to the firm

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