The respective ratio of income and expenditure of Raman is 9 ∶ 7. If his income is increased by 20 percent and expenditure is decreased by 70 percent, then what will be the new respective ratio of his income and expenditure?
1
35 ∶ 7
2
36 ∶ 7
3
7 ∶ 36
4
7 ∶ 35