If the Price of X Is $3 and the Price

Multiple Choice

If the price of X is $3 and the price of Y is $5, then, in a consumer optimum,

A) the quantity purchased of Y must be 60 percent of the quantity of X purchased.
B) the quantity purchased of Y must be 67 percent of the quantity of X purchased.
C) the marginal utility of Y must be 67 percent more than the marginal utility of X.
D) the marginal utility of X must equal 3 and the marginal utility of Y must equal 5.