A certain consumer buys only food and compact discs. If the quantity of food bought increases, while that of compact discs remains the same, the marginal utility of food will a. fall relative to the...

discs. If the quantity of food bought increases, while

that of compact discs remains the same, the marginal

utility of food will

a. fall relative to the marginal utility of compact

discs.

b. rise relative to the marginal utility of compact

discs.

c. rise, but not as fast as the marginal utility of

compact discs rises.

d. fall, but not as fast as the marginal utility of compact

discs falls.