If the Marginal Rate of Substitution of X for Y

Multiple Choice

If the marginal rate of substitution of X for Y is 2,the price of X is $3,and the price of Y is $1,a utility-maximizing consumer should

A) be indifferent between 1X and 2Y.
B) prefer 3Y to 1X.
C) choose less X and more Y.
D) choose more X and less Y.