A starts a business with Tk 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital?

• ক 9000 Tk ✅ সঠিক উত্তর
• খ 7000 Tk
• গ 8000 Tk
• ঘ 12000 Tk