13.1 John’s Lawn Moving Service is a small business that acts as a price taker (i.e., MR  P). The prevailing market price of lawn mowing is $20 per acre. John’s costs are given by total cost
.1q 2  10q  50, where q  the number of acres John chooses to cut a day.

a. How many acres should John choose to cut in order to maximize profit?

b. Calculate John’s maximum daily profit.

c. Graph these results and label John’s supply curve.