please answer this math problem.

Gary is a computer-savvy millennial. He started his own business of providing computer cleaning and minor repairs to people in the community for $27 per one-hour session. Other than having to pay $125 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 clients-about $2 per session. Gary would like to make $4,200 so he can pay off his car loan and save for a much-needed trip. (a) How many cleaning/repair sessions does Gary need to provide to reach his before-tax profit goal this year? Number of sessions sessions Attempts: 0 of 2 used (b) Gary's friend reminds him that hell have to pay taxes on any income that he earns. If Gary's tax rate is 30%, how many sessions will he need to provide if he still wants to earn after-tax profit of $4,200 ? Number of sessions sessions