Directions: Read the given information carefully and answer the following questions. A and B invested in a business in the ratio 4 : 5. A invested for 4 months more than B. At the end of year, the total profit earned is Rs. 35000 out of which B earned Rs. 15000.
What is the ratio of the time period of investment of A and B?

Options

A. `3:2`
B. `5:3`
C. `2:1`
D. `4:1`