Instructions:Answer all questions andshow your work.Econ 160The monopolist sells all units at the same price (linear pricing).In market 1 the monopolist sets its per-unit price atpd1= 180.(a) (3 points) What discriminatory price does the monopolist set in market 2?(b) (3 points) Calculate the monopolists marginal cost.The widget monopolists marginal cost of selling widgets to men is 0, but, for some unknown reason, its marginal cost of selling to women it isc[0,1]. Because widgets are customized to the buyer, there is no possibility of arbitrage between the two groups.