Beth’s Lawn Mowing Service is a small business that acts as a price taker (MR = P). The prevailing market price of lawn mowing is $20 per acre. Although Beth can use the family mower for free (but Problem), she has other costs given by

Total cost = 0.1q2 + 10q + 50

Marginal cost = 0.2q + 10

Where q = the number of acres Beth chooses to mow in a week.

a. How many acres should Beth choose to mow in order to maximize profit?

b. Calculate Beth’s maximum weekly profit.

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