4. Trade receivables The trade receivable general ledger account shows the following. Account 20.20 R 20.19 R Gross trade receivable 560 000 1 395 000 Allowance account for credit losses (108 000) (70 000) Net trade receivable 452 000 1 325 000 SARS allows 25% of the credit losses allowance on the trade receivables account as a deduction for income tax purposes.