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Swiss Supplies showed the following selected adjusted balances at its December 31, 2019, year- end: Accounts Receivable Dec. 31/19 Balance 560,000 Allowance for Doubtful Accounts 14,000 Dec. 31/19 Balance During 2020, the following selected transactions occurred: a. Sales totalled $2,970,000, of which 25% were cash sales (cost of sales $1,915,000). b. Sales returns were $102,000, half regarding credit sales. The returned merchandise was scrapped. c. An account for $18,000 was recovered. d. Several nts were written off: $20,000. e. Collections from credit customers totalled $1,880,000 (excluding the recovery in (c) above). Part A Required: 1. Journalize transactions (a) through (e). You may find it useful to post your entries to T-accounts for Accounts Receivable and Allowance for Doubtful Accounts. Part B Required: 2. Prepare the December 31, 2020, adjusting entry to estimate bad debts assuming that uncollectible accounts are estimated to be 1% of net credit sales