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 $55 00, and it estimates that 2% will be uncollectible. Prepare the adjusting entry to record bad debts expenses for year 2015 under the assumption that the Allowance fore Doubtful Accounts (a) a $415 credit balance before the adjustment and (b) a $291 debit balance before the adjustment