Canada Co has the following balances in its general ledger: Accounts receivable $48 000 Less: Allowance for doubtful debts (10 000) $38 000 If a debt for $4 000, previously provided for as doubtful, is written off as bad, what is the estimated net realisable value of accounts receivable after the write off? Select one: O a. $42 000 a b. $38 000 c. Not one of the options d. $44 000 e. $47 000