Hey, with an explanation please

010. You are the sole proprietor (single owner and employee) of a home cleaning business. You have two to clean homes: using (a) a broom or (b) a Roomba. You charge the same amount to clean a home, but the costs are different, as follows: Broom Variable cost $10.00 (total) $0.50 / home Fixed cost RoombaFixed cost S250 $0.10/home Variable cost You estimate that you will clean 70 homes in the next few months. Which method is more cost-effective? 4 pts.J .50 N70-35 100 700