Task: Question Answering
Input (English): Question: A man purchased a cow for Rs. 3000 and sold it the same day for Rs. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum, then the man has a gain of:

 Option A: 0%

 Option B: 1%

 Option C: 2%

 Option D: 3%

 Option E: 4%
Output (English): Option A