10) You are the sole proprietor (single owner & employee) of a home cleaning business. You have two ways to clean homes: using (a) broom or (b) Roomba. You charge the customer $150 to clean a home, but the costs are different as follows: Broom Fixed cost $20.00 Variable cost $75.00/home Roomba Fixed cost Variable cost $1,250.00 $20.00/home What is the breakeven quantity after which using the Roomba becomes more cost-effective than using the broom? [2 pts]