State whether the following statements are true or false. Rewrite if they are wrong:
(a) The products in perfect competitive market are homogenous.
(b) Seller in monopoly is a price taker.
(c) Price leadership is an important feature of monopolistic competition.
(d) Selling cost is a feature of monopoly.
(e) Price discrimination under monopoly is always profitable.
(f) Market in which there is only one buyer is called duopoly.