If a Consumer Is Choosing the Bundle of Goods That

Multiple Choice

If a consumer is choosing the bundle of goods that maximizes utility subject to a budget constraint, then

A) the rate at which income affects the utility-maximizing choice is equal for all goods.
B) the rate at which the consumer is willing to substitute between goods is equal to the market rate of exchange.
C) the ratio of marginal utility to price is equal for all goods.
D) both b and c
E) all of the above