2.3 Michael consumes cans of tuna, T, and boxes of biscuits, B. Each of his indifference curves reflects strictly diminishing marginal rates of substitution.

If T = 2 and B = 5, his marginal rate of substitution between cans of tuna and boxes of biscuits equals -2 (=MUT/MUB). Will he prefer a bundle with three cans of tuna and three boxes of biscuits to a bundle with two cans of tuna and five boxes of biscuits? Why?