What happens to the budget set and budget line if both the prices as well as the income double ?

What happens to the budget set and budget line if both the prices as w

1.	What happens to the budget set and budget line if both the prices as well as the income double ?
Answer» Solution :If as given, `P_1`CHANGES from Rs.8 to Rs.16 `P_2` changes from Rs.10 to Rs.20 and M changes from Rs.40 to Rs.80 then intercepts on X-axis and Y-axis will remain unchanged at 5 units and 4 units RESPECTIVELY and the slope of the price LINE will remain UNAFFECTED. i.e., `8/10=16/20`, therefore there will beno change in the budget set and budget line.