Mark is a computer-savvy millennial. He started his own business of provicfing computer cleaning and minor repairs to people in the community for $27 per one-hour session. Other than baving to pay $100 per year for a software license that helps him identify the issues on each device, his only other out-of-pocket cost is fuel to transport him to meetings with dients-about \$2 per session. Mark would tike to make $3,500 so he can pay off his car loan and save for much-needed trip. Mark's friend reminds him that hell have to pay taxes on any income that he earns. If Mark's tax rate is 30%, how many se will he need to provide if he still wants to earn after-tax profit of $3.500 ? Number of sessions Sessions eTextbook and Media Mark is also thinking about paying for local online advertising to grow his business. A one-year ad will cost $350. (c1) How many additional sessions would he need to sell in order to just cover this cost on an before-tax basis? Number of sessions sessions (c2) In your opinion, would this advertising be worth it? The advertising cost worth it: eTextbook and Media