Problem
The market demand function for corn is Qd = 21 - 4P, and the market supply function is Qs = 5P - 6, both quantities measured in billions of bushels per year. What are the aggregate surplus, consumer surplus, and producer surplus at the competitive market equilibrium?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.