Engineering Economics
What is the main reason why the sinking fund method of computing depreciation is seldom used in the industry?

The initial depreciation is low
Rate of interest cannot be exactly determined
The initial deprecation is high
Unstable economy

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Engineering Economics
In a cash-flow diagram:

Time 0 is considered to be the present
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

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