To reach the consumer optimum for two goods, the: A. ratio of total utility to price for both good must be equal. B. price of both goods must be equal. C. ratio of marginal utility to price for both...

To reach the consumer optimum for two goods, the:

A. ratio of total utility to price for both good must be equal.

B. price of both goods must be equal.

C. ratio of marginal utility to price for both good must be equal.

D. marginal utility for both goods must be equal.

E. total utility for both goods must be equal.