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Identify the years in which there was a budget deficit.

| Year | Revenue | Expenditure |
|------|-----------|-------------|
| 2001 | [tex]$8 trillion | $[/tex]6 trillion |
| 2002 | [tex]$5 trillion | $[/tex]7 trillion |
| 2003 | [tex]$8 trillion | $[/tex]10 trillion |
| 2004 | [tex]$9 trillion | $[/tex]7 trillion |
| 2005 | [tex]$15 trillion | $[/tex]18 trillion |
| 2006 | [tex]$8 trillion | $[/tex]10 trillion |
| 2007 | [tex]$6 trillion | $[/tex]4 trillion |
| 2008 | [tex]$2 trillion | $[/tex]4 trillion |
| 2009 | [tex]$7 trillion | $[/tex]4 trillion |



Answer :

GinnyAnswer
To determine the years in which there was a budget deficit, we need to compare the revenue and expenditure for each year from 2001 through 2009. A budget deficit occurs when the expenditure is higher than the revenue.

Here is the table of revenue and expenditure with a comparison for each year:

[tex]\[ \begin{array}{|c|c|c|} \hline \text{Year} & \text{Revenue (in trillion \$)} & \text{Expenditure (in trillion \$)} \\ \hline 2001 & 8 & 6 \Rightarrow \text{No Deficit} \\ \hline 2002 & 5 & 7 \Rightarrow \text{Deficit} \\ \hline 2003 & 8 & 10 \Rightarrow \text{Deficit} \\ \hline 2004 & 9 & 7 \Rightarrow \text{No Deficit} \\ \hline 2005 & 15 & 18 \Rightarrow \text{Deficit} \\ \hline 2006 & 8 & 10 \Rightarrow \text{Deficit} \\ \hline 2007 & 6 & 4 \Rightarrow \text{No Deficit} \\ \hline 2008 & 2 & 4 \Rightarrow \text{Deficit} \\ \hline 2009 & 7 & 4 \Rightarrow \text{No Deficit} \\ \hline \end{array} \][/tex]

From the above comparisons, we can identify the years when the expenditure exceeded the revenue. These years are:

- 2002
- 2003
- 2005
- 2006
- 2008

So, in the years 2002, 2003, 2005, 2006, and 2008, there was a budget deficit.

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