Total debtors Rs. 6,00,000 minus bad debts Rs. 60,000 = Rs. 5,40,000 realised.
Entry: Bank A/c Dr. 5,40,000 To Realisation A/c 5,40,000. So Realisation A/c is credited with Rs. 5,40,000.
Note: Options 2 and 4 are identical in content, so NTA accepted both B and D as correct answers.