At each calendar year-end, Mazie Supply Co. uses the percent of accounts receivable method to estimate bad debts. On December 31, 2013, it has outstanding accounts receivable of $133,500 and it estimates that 4% will be uncollectible. Prepare the adjusting entry to record bad debts expense for year 2017 nder the assumption that the Allowance for Doubtful Accounts has a $ 2,270 credit balance before the adjustment