The Broad Company had a $600 credit balance in Allowance for Doubtful Accounts at December 31, 2020, before the current year's provision for uncollectible accounts. An aging of the accounts receivable revealed the following: Estimated Percentage Uncollectible Current Accounts $120,000 1% 1-30 days past due 12,000 3% 31-60 days past due 10,000 6% 61-90 days past due 5,000 12% Over 90 days past due 8,000 30% Total Accounts Receivable $155,000 Instructions (a) Prepare the adjusting entry on December 31 - the end of the current year, to recognize bad debts expense. (b) Assume the same facts as above except that the Allowance for Doubtful Accounts account had a $600 debit balance before the current year's provision for uncollectible accounts. Prepare the adjusting entry for the current year's provision for uncollectible accounts