Deductions & credits

The data you enter into TurboTax will populate the Schedule C  <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-pdf/f1040sc.pdf">https://www.irs.gov/pub/irs-pdf/f1040sc.pdf</a>
You will note an Advertising expenses category but not a marketing category. Enter your description of the marketing expenses in the fields provided in the Advertising category and the dollar amount.