Task: Question Answering
Input (English): Question: By selling an umbrella for Rs. 300, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?

 Option A: 5%

 Option B: 2%

 Option C: 8%

 Option D: 3%

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