Task: Question Answering
Input (English): Question: A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?

 Option A: 29.98

 Option B: 20.98

 Option C: 20.92

 Option D: 20.96

 Option E: 20.91
Output (English): Option B