Task: Question Answering
Input (English): Question: The sale price of an article including the sales tax is616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is :

 Option A: 500

 Option B: 515

 Option C: 550

 Option D: 600

 Option E: None of these
Output (English): Option A