The following information is from the records of Armadillo Camera Shop: Accounts receivable, 31 December 2020$22,000 (debit) Allowance for doubtful debts, 31 December 2020 blank prior to adjustment 900 (debit) Net credit sales for 2020 94,000 Accounts written off as uncollectable during 2020 400 Bad debts expense is estimated by the ageing of accounts receivable method. Management estimates that $3150 of accounts receivable will be uncollectable. Calculate the amount of net accounts receivable after the adjustment for bad debts at the end of Dec 31, 2020.