Suppose a monopolist has TC = 100 + 10Q + 2Q2, and the demand curve it faces is p = 90 – 2Q. (5 marks) a) the optimum quantity and the optimum price level b) the profit/loss on these levels c) at what price should the monopolist shut down? d) Show the economic profit (loss) of the firm in a graphic representation

Suppose a monopolist has TC = 100 + 10Q + 2Q2, and the demand curve it faces is p = 90
– 2Q. (5 marks)
a) the optimum quantity and the optimum price level
b) the profit/loss on these levels
c) at what price should the monopolist shut down?
d) Show the economic profit (loss) of the firm in a graphic representation