Cullumber Company reported the following information in its general ledger at December 31. All sales were on account. At the end of the year, uncollectible accounts were estimated to be 10% of accounts receivable. (a) Your answer is correct. Using your knowledge of receivables transactions, determine the missing amounts. (Hint: You may find it helpful to reconstruct the journal entries.) Accounts Receivable Beg. bal. (a) 15,600 (b) End, bal. (c) 25000 Sales Allowance for Doubtful Accounts Bad Debt Expense (d) epare the summary journal entries for Cullumber Company. Ignore any inventory and cost of goods sold entries for the urposes of this question. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no atry is required, select "No Entry" for the account titles and enter O for the amounts. List all debit entries before credit entries.)