Problem 3 3A) Prepare adjusting journal entries for the following independent situations. a. The Allowance for Uncollectible Accounts has a $400 debit balance prior to adjustment. Based on an aging schedule of accounts receivable prepared on December 31, $11,800 of accounts receivable are estimated to be uncollectible. b. The Allowance for Uncollectible Accounts has a $900 credit balance prior to adjustment. Based on an aging schedule of accounts receivable prepared on December 31, $14,500 of accounts receivable are estimated to be uncollectible