What three things must a firm be able to do to price-discriminate? Instructions: In order to receive full credit, you must make a selection for each option. For correct answer(s), click the box once to place a check mark. For incorrect answer(s), click twice to empty the box. check all that apply Separate the groups. unanswered Produce where MR = MC. unanswered Limit the ability to resell the good between groups. unanswered Produce a differentiated product. unanswered Identify groups with different elasticities. unanswered Have a monopoly created by the government