Task: Question Answering
Input (English): Question: KODAK bank offers an interest of 5% per annum compounded annually on all its deposits. If $10,000 is deposited, what will be the ratio of the interest earned in the 4th year to the interest earned in the 5th year?

 Option A: 1:5

 Option B: 625:3125

 Option C: 100:105

 Option D: 100^4:105^4

 Option E: 725:3225
Output (English): Option C