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Homework (Ch 21) Raphael enjoys eating muffins and cookies. The following graph displays one of Raphael's indifference curves (1 ), which shows his preference for muffins and cookies each month. 41 A COOKIES 30 12, 15 C 15 D 6 12 17 MUFFINSMUFFINS Complete the following table by determining Raphael's marginal rate of substitution (MRS) between the two points listed in each row. (Note: Although the MRS is technically always negative, enter a positive number in the following table since it asks for the amount of cookies per muffin that represents Raphael's MRS.) Marginal Rate of Substitution Between Points... (Cookies per muffin) A and B C and D