The demand for detergent in Tanzania is characterized by the following functuon P(Q) = 100 - 10Q. Firm A supplies detergent and has a cost function given by TC(Q) = 10Q²

a) assuming that firm A is a monopolist in Tanzania what is the profit maximizing quantity and price?

b) What is the total profit earned by firm A?

a) The profit maximizing quantity and price for firm A is Q = 9 and P = 91.

b) The total profit earned by firm A is 81.