Given the following statements about investments and profits: Column I: Profit of A and B are equal and profit of C is greater than profit of D. Inves...

Given the following statements about investments and profits:

Column I:

1. Profit of A and B are equal and profit of C is greater than profit of D. Investment period of A and C are equal.
2. Investment of C is double the investment of A and $\frac{10}{9}$ of the investment of D.
3. Profit of B is Rs. 6000.
4. Total profit is less than or equal to Rs. 15000.

Column II:
I) Both A and B either invested for 6 months or 9 months.
II) Investment of B is Rs. 5000.

Which combination of statements from Column I ensures that both statements in Column II are correct?

Note:

• Maximum time period of investment is 12 months.
• Profit share of D is Rs. 4500 and he invested for 12 months.
• The time period/investment done by all four is an integer.