How does the budget line change if the consumer's income increases to Rs 40 but the prices remain unchanged ?

How does the budget line change if the consumer's income increases to

1.	How does the budget line change if the consumer's income increases to Rs 40 but the prices remain unchanged ?
Answer» Solution :If CONSUMER's income to Rs 40, then the consumer can buy more of both the goods. It will shift the BUDGET LINE towards RIGHT from AB to `A_(1)B_(1)`. But, new budget line will be parallel to the old budget line as there is no change in slope (i.e., price ratio) of budget line