Exhibit 15.1 The Following Questions Employ the AON Network and Partial Spreadsheet

question 71

Multiple Choice

Exhibit 15.1
The following questions employ the AON network and partial spreadsheet below.
-For an activity with duration t, slack can be calculated as

• A) LS-ES
• B) LF-t
• C) LS+t
• D) LS+ES

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Definitions:

Income

Income is the amount of money or its equivalent received during a period of time in exchange for labor, services, or investments.

Real Disposable Income

The income of individuals or the economy after adjusting for inflation, available for spending and saving after income taxes have been accounted for.

Net Exports

The value of a country's total exports minus its total imports; a positive value indicates a trade surplus while a negative value indicates a trade deficit.

Net Taxes

The total taxes paid by individuals or businesses after accounting for allowances, deductions, and credits.