Manny Consumes Only Bananas and DVDs,and He Is on His

Multiple Choice

Manny consumes only bananas and DVDs,and he is on his highest possible indifference curve.Two bundles on this indifference curve are bundle A (five bananas and two DVDs) and bundle B (three bananas and three DVDs) .Between points A and B,what is Manny's marginal rate of substitution of bananas for DVDs?

A) 1
B) 2
C) 0.5
D) 1.33