Kara Buchanan has decided to start Kara Cleaning, a residential housecleaning service company. She is able to rent cleaning equipment at a cost of $900 per month. Labor costs are expected to be $60 per house cleaned and supplies are expected to cost $5 per house.

KARA CLEANING Monthly rental of cleaning equipment Labor costs per house cleaned Supplies per house Range of number of houses used for analysis: 900 20