Refer to the Following

Multiple Choice

Refer to the following:


The consumer faces a budget constraint because the market price of X is $3, the market price of Y is $3, and the consumer's budget is $90.
-Given this budget constraint, how many units of X and Y would be purchased?

A) 0 units of X, 0 units of Y.
B) 10 units of X, 20 units of Y.
C) 20 units of X, 20 units of Y.
D) 30 units of X, 30 units of Y.