When recognizing rental income:
Debit: Accounts receivable 20,000
Credit: Other business income 20,000
Rent received:
Debit: bank deposit 20,000
Credit: accounts receivable 20,000
Carryover costs:
Debit: other business costs 20,000
Credit: Accumulated amortization (or accumulated amortization of intangible assets) 20,000
Debit: Business tax and surcharge 1,000
Credit: Taxes payable - payable Pay business tax 1,000