Mark works at two jobs. His primary job is a commission-paid job. Therefore, his monthly income from this job varies. His secondary job has a fixed monthly income. His quarterly dividend checks and interest income have varied but not by a large amount. He used actual amounts from the previous year to set up this budget for the upcoming year.

a. What is his budgeted income for each month?
b. Construct a line graph to depict this budget.
c. Determine the average monthly income. Round your answer to the nearest dollar.
d. Draw a horizontal line on your graph representing that amount.
What months fell below the average?

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Dec Jan Feb Mar Apr May June July Aug Sept Oct Nov |7,000|8,500|9,000 | 8,000|8,000|8,500|9,000|8,000 |7,000|6,500|7,000|7,000 410 150 3,000 Primary Job Secondary Job 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 Interest Dividends Other 380 150 390 150 3,000 400 150