Suppose that Ms. Thomson is currently exhausting her money income by purchasing 10 units of A and 8 units of B at prices of $3 and $9, respectively. The marginal utility of the last units of A And B are 15 and 18, respectively. These data suggest that Ms. Thomson.

Multiple choice

A.has preferences that are at odds with the principle of diminishing marginal utility.

B. Considers A And B to be complementary goods.

C. Should buy less A And more B

D. Should buy less B and more A