1 While the price of commodity 1 and the income of the consumer are unchanged, find the new combination of both commodities (if any) that will maximize the utility of the consumer. (4)(a)Suppose a friend claimed that the product he/she bought was obtained from a perfectly competitive market, what questions would you ask to determine the validity of the claim? (b)Assume that the claim is valid, use appropriate graphical illustration(s) to discuss how a typical firm this industry would end up with zero economic profit in the long run, starting from a positive econom profit in the short run