Multiple Choice
The following diagram shows two budget lines: A and B. 
Which of the following could explain the change in the budget line from A to B?
A) a simultaneous decrease in the price of X and the price of Y
B) an increase in income
C) a decrease in income and a decrease in the price of Y
D) Both a and b are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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