Draw the MR, MC, AVC, ATC, Demand, supply, MC and MR for the following situations.For each of these situations show the total revenue, total cost area, and shade the profit or loss area, and if the situation is a shut down state why it should shutdown.

a.A monopolist showing a profit

b.A monopolist showing a loss but not a shut-down

c.A monopolist at a break-even point

d.Difference between a monopolist and a perfectly competitive firm for a profit situation on the same graph space.