3. (Ancillary Revenue) Stanford Stadium has been repaired so that it seats 60,000 people. Now assume that, on average, each member of the general public will consume $20 worth of concessions, resulting in a $10 contribution margin, while each student only consumes $10, resulting in a $5 contribution margin. Assuming no cannibalization, what are the prices for students and the general public that maximize total contribution margin (including ticket revenue). Complete in Excel

Price-Response functions:

General Public: d_g(p_g)= (120,000-3,000p_g)

Students: d_s(p_s)= (20,000-1,250p_s)

where p_g is the price charged to the general public and p_s is the student price