Find the equilibrium price and the equilibrium quantity for the following demand and supply functions. Qd = 40.06p and Qs = 0.6 + 0.11p. [3 marks] b) Two computers A and B are to be marketed. A salesman who is assigned the job of finding customers for them has 60% and 40% chances respectively of succeeding in case of computer A and B. The computers can be sold independently. Given that he was able to sell at least one computer, what is the probability that computer A has been sold? [6 marks] c) The marginal cost function of manufacturing x units of a commodity is 6 + 10x6x. Find the total cost and average cost, given that the total cost of producing 1 unit is Khs. 15. [6 marks]