1. The following shows the demands and marginal revenue in two markets (D1 and MR1, and D2 and MR2) for a price discriminating firm along with total demand, DT, marginal revenue, MRT, and marginal cost MC.

1. The following shows the demands and marginal revenue in two markets (D1 and MR1, and D2 and MR2) for a price discriminating firm along with total demand, DT, marginal revenue, MRT, and marginal cost MC. 450 D2 400 MR2 MC 350 DT 300 DI MRT 250 LMRI 200 150 MC 100 50 1400 0 200 400 600 800 1000 1200 - D1 - MR1 - D2 - MR2 ... MRT - DT - MC fi As with the PPT slides, you can view the data generating these lines; for reference