Suppose at the consumer's current consumption bundle the marginal rate of substitution of cheese for wine is (1)/(2) bottle of wine per pound of cheese. The price of one pound of cheese is $6, and the price of a bottle of wine is $10. The consumer should increase his consumption of
a. cheese, decrease his consumption of wine, and move to a lower indifference curve
b. cheese, decrease consumption of wine, and remain on the same indifference curve
c. cheese, decrease his consumption of wine, and move to a higher indifference curve
d. wine, decrease consumption of cheese, and move to a higher indifference curve
e. wine, decrease consumption of cheese, and remain on the same indifference curve