If the price of marshmallow exceeds the marginal value that the consumer places on marshmallows, then A. the consumer is at the optimum.

If the price of marshmallow exceeds the marginal value that the consumer places on marshmallows, then

A. the consumer is at the optimum.

B. the consumer’s level of satisfaction would increase if he buys more marshmallows and less of other goods.

C. a surplus of marshmallows exists in the market.

D. the optimum contains fewer marshmallows than the consumer is currently buying.