(a) Prepare the adjusting entry at December 31, 2014, to record bad debt expense, assuming that the aging schedule indicates that exist7, 600 of accounts receivable will be uncollectible. (b) Repeat part (a) assuming that instead of a credit balance there is a exist2, 500 debit balance in Allowance for Doubtful Accounts. c) During the next month, January 2015, a exist750 account receivable is written off as uncollectible. Prepare the journal entry to record the write-off. (d) Repeat part (c), assuming that Valcik Company uses the direct write-off method instead of the allowance method in accounting for uncollectible accounts receivable. (e) What are the advantages of using an aging schedule and the allowance method in accounting for uncollectible accounts as compared to the direct write-off method? On January 1, 2014, Alter Company had Accounts Receivable exist154,000: Notes Receivable of exist12,000: and Allowance for Doubtful Accounts of exist13, 200. The note receivable is from Hartwig Company. It is a 4-month, 9% note dated December 31, 2013. Alter Company prepares financial statements annually. During the year, the following selected transactions occurred. Jan. 5 Sold exist10,000 of merchandise to Flynn Company, terms n/15. 20 Accepted Flynn Company's exist10,000, 3-month, 6% note for balance due. Feb. 18 Sold exist4,000 of merchandise to Mink Company and accepted Mink's exist4,000 6-month, 8% note for the amount due. Apr. 20 Collected Flynn Company note in full. 30 Received payment in full from Hartwig Company on the amount due. May 25 Accepted Creech Inc.'s exist9,000, 6-month, 4% note in settlement of a past-due balance on account. Aug. 18 Received payment in full from Mink Company on note due. Sept. 1 Sold exist5,000 of merchandise to Glazer Company and accepted a exist5,000, 6-month, 6% note for the amount due