1.Consider the owner of a small lawn-mowing service. She can use one of two methods to mow lawns. Method 1 is to purchase a tractor that costs $300 a year to own and then spend $1 for every acre of grass cut. Method 2 is to spend $40 on a used push mower that will last one year and then spend $5 for every acre of grass cut.

a. Write down the total cost functions for the two methods, letting q represent the number of acres of grass cut per year. Then find the average cost for each method. (5 pts)