=+Kory is considering buying 2 albums and 15 cups of hot chocolate. Kory’s marginal utility of the second album is 25, and her marginal utility of the fifteenth cup of hot chocolate is 5.

c. Kory is considering buying 1 album and 10 cups of hot chocolate. At that bundle, her marginal rate of substitution of albums in place of hot chocolate is 5; that is, she would be just willing