At each calendar year-end, Mazie Supply Co. uses the percent of accounts receivable method to estimate bad debts. On December 31, 2015, it has outstanding accounts receivable of $86, 500, and it estimates that 3% will be uncollectible. Prepare the adjusting entry to record bad debts expense for year 2015 under the assumption that the Allowance for Doubtful Accounts has: a. $1, 471 credit balance before the adjustment. (b) a $433 debit balance before the adjustment