QUESTION 10 refers to no competition. O Pure competition O Oligopoly Monopolistic competition O Monopoly Duopoly QUESTION 11 At the break-even point: Costs are zero. price is maximized. profits are zero. fixed costs are reduced to zero. contribution per unit is zero QUESTION 12 It is legitimate to charge different prices to different customers if the retailer is using bartering/flexible pricing the retailer is not a publically-traded company. the retailer is related to the customer. the different price is a one-time occurrence. the difference in price is less than or equal to ten percent