please quickly

Question 5 Jordan River Co. is a merchandising company that utilizes the sale on account to increase its sales volume, the accountant at the end of the period wishes to estimate the amount that the company may not receive from their customers, the accountant currently has an Allowance for doubtful accounts account with 3,000 J.D in the debit side, the Accounts receivables are totaling 455,000 J.D and the accountant based on his experience estimates that 2.5% of the Accounts receivable will be uncollectable. Having that information : 1. Find the amount that should be journalized (1 point) 2.prepare the journal entry on the date of estimation (1 point) 3. Assume a customer which has his debts marked as uncollectable came and paid his debit in full, and his debt was of the total of 2,750 J.D prepare the needed entries (1 point)