equal marginal principle is
A.
Principle that utility is maximized when the consumer has equalized the marginal utility per dollar of expenditure across all goods.
B.
Principle that utility is maximized when the consumer has equalized the total utility per dollar of expenditure across all goods.
C.
Principle that as more of a good is consumed, the consumption of additional amounts will yield smaller additions to utility.
D.
Principle that as more of a good is consumed, the consumption of total amounts will yield smaller additions to utility.