19) By selecting a bundle of good X and good Y where MRS = MRT, the consumer is saying A) "I value my last unit of each good equally." B) "I am willing to trade one good for the other at the same rate...

19) By selecting a bundle of good X and good Y where MRS = MRT, the consumer is
saying
A) "I value my last unit of each good equally."
B) "I am willing to trade one good for the other at the same rate that I am required to
do so by the market prices"
C) "I will equate the amounts spent on all goods consumed."
D) All of the above.
E) A and B only .