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Hard Bodies is a new entrant to the local health club scene. The owners of Hard Bodies realize that profit can be increased through price discrimination. Accordingly, the firm employs several different pricing schemes. For each of the following schemes explain whether it is price discrimination and, if so, what degree of price discrimination it is. a. An annual membership to the club sells at a 50 percent discount of the total rate charged customers who choose to pay on a month-by-month basis (e.g., the annual fee is $300 while the regular monthly rate is $50). b. Obese customers weighing at least 300 pounds get a 20 percent discount on all regular rates. c. Spouses of members belonging to the club qualify for a 30 percent discount on all regular rates. d. Hard Bodies offers to beat (through a 20 percent discount) any rate that a customer is offered by a rival health club.