Gary is computer$-$savvy millennial. He started his own business of providing computer cleaning and minor repairs to people in the communtiy for $$27$ per one$-$hour session. Other thsn having to pay $$125$ per year for a software license that helps him identify the issues on each device $,$ hos only other out$-$of$-$pocket cost is fuel to transport him to meetings with clients about $$2$ per session $.$ Gary would kike to make $$4200$ so he can pay off gisbcar loan and save for a much needed trip How many cleaning$/$ repair sessions foes Gary need to provide to reach his before tax profit goal this year $?$