The sale price of an article including the Sales Tax is Tk. 616. The rate of Sales Tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is-

• ক Tk. 600
• খ Tk. 550
• গ Tk. 500 ✅ সঠিক উত্তর
• ঘ Tk. 400