The Following Figure Shows a Consumer's Budget Constraint for Jeans

Multiple Choice

The following figure shows a consumer's budget constraint for jeans and sweaters.

-Refer to the figure above.Suppose B₁ is the original budget constraint of a consumer.A change in the budget constraint from B₁ to B₂ indicates ________.

A) an increase in the price of sweaters
B) a decrease in the price of sweaters
C) an increase in the consumer's income
D) a decrease in the consumer's income.