Assume That a Consumer Purchases a Combination of Products Y

Assume that a consumer purchases a combination of products Y and Z and that the MUy/Py = 30/2 and MUz/Pz = 45/3.To maximize utility, without spending more money, the consumer should

A) purchase less of Y and more of Z.
B) purchase more of Y and less of Z.
C) purchase more of both Y and Z.
D) make no change in the quantities of Y and Z.