Kara Buchanan has decided to start Kara Cleaning, a residential housecleaning service company. She is able to rent cleaning equipment at a cost of $730 per month. Labor costs are expected to be $60 per house cleaned and supplies are expected to cost $10 per house.

Required a. Determine the total expected cost of equipment rental and the average expected cost of equipment rental per house cleaned, assuming that Kara Cleaning cleans 30,40, or 50 houses during one month. Is the cost of equipment a fixed or a variable cost? (Round "Average per unit" answers to 2 decimal places.)

no. of houses cleaned

average per unit rental cost b. Determine the total expected cost of labor and the average expected cost of labor per house cleaned, assuming that Kara Cleaning cleans 30,40, or 50 houses during one month. Is the cost of labor a fixed or a variable cost?

no. of houses cleaned

average per unit labor cost

total labor cost c. Determine the total expected cost of supplies and the average expected cost of supplies per house cleaned, assuming that Kara Cleaning cleans 30,40, or 50 houses during one month. Is the cost of supplies a fixed or a variable cost?

no. of houses cleaned

average per unit supplies cost

total cost of supplies d. Determine the total expected cost of cleaning houses, assuming that Kara Cleaning cleans 30, 40,or 50 houses during one month.

no. of houses cleaned

average cost per unit e. Determine the average expected cost per house, assuming that Kara Cleaning cleans 30,40, or 50 houses during one month. Why does the cost per unit decrease as the number of houses increases? (Round your answers to 2 decimal places.)

no. of houses cleaned 30 40 50

average cost per unit

In previous answers I couldn't see answers for questions d and e. Can someone please include those. Thank you