4 2. In the same market, three sellers (John, George, and Ringo) have the marginal cost (MC) schedules shown below. Quantity and marginal cost (MC) for three sellers Quantity MC John $ MC George $ MC Ringo $ H 30 8 2 8 90 120 110 100 150 140 130 If the equilibrium price is $80, calculate the following: a. the quantity produced by each seller. b. the producer surplus for each seller. c. the producer surplus for the market as a whole