1.31 March 2020, Wong created a provision for doubtful debts in which the company expect that 2.5% of Account Receivable as at year-end 2020 is not collectable. The balance of Account Receivable as at year end 2020 was $42,000. 2.23 June 2020, a debtor, Mega Company, went bankrupt and only paid 50% of their total debt to Wong. The total debt was $800. 3.31 March 2021, Wong wrote off $180 of overdue debts from various customers. 4.31 March 2021, Account Receivable was $48,600, and the provision for doubtful debts remains 2.5%. *create journal entries for the above transactions