Refer to the Graph

Multiple Choice

Refer to the graph. As the consumer equilibrium point shifts from point a to point b,

A) the consumer's purchase of good 2 decreases even though its price stays constant.
B) the slope of the budget line decreases because the price of good 1 increased.
C) the marginal utility of good 1 increases and the marginal utility of good 2 decreases.
D) the consumer's total utility decreases.