A Multinational company creates a sinking fund by setting a sum of ₹12,000 annually for 10 years to pay off a bond issue of ₹72,000. If the fund accumulates at 5% per annum compound interest, then the surplus after paying for bond is: (Use (1.05)10 ≈ 1.6)

₹78,900 ₹68,500 ₹72,000 ₹1,44,000

₹72,000

The correct answer is Option (3) → ₹72,000