8.1. 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 see Problem 8.2), 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. P How many acres should Beth choose to mow in order to maximize profit? . Calculate Beth's maximum weekly profit