11. Use conditional formatting to highlight the net profit (cell C22) if its value is less than $50,000 with a light red fill with dark red text.

12. Change the value in cell G9 from 4 to 5. Observe the impact that hiring another cleaner has on the projected net profit for the company in cell C22.

13. Format the printed version of the Income Statement worksheet as follows:

a. Add a manual page break between columns D and E.

b. For the first page, add a header that prints Prepared by followed by your name in the left section of the header and the current date in the right section of the header. Do not display header text on any other page.

c. For every page, add a footer that prints the workbook filename in the left section, Page followed by the page number in the center section, and the worksheet name in the right section.

d. Set the margins to 1 inch on all four sides of the printout, and center the contents of the work- sheet horizontally within the printed page.

14. Change the orientation of the workbook to landscape orientation.

15. Save and close the workbook. Upload it as your submission.