Boone, Inc.'s accounts receivable due from customers is $1,000. Management estimates that $50 of these receivables may not be collected? Boone uses the allowance method to account for its uncollectible accounts. What is the journal entry required to reflect management's estimate? Select one: O a. Dr. Sales Revenue $50. Cr. Accounts Receivable $50 O b. Dr. Bad Debt Expense $50. Cr. Allowance for Doubtful Accounts $50 O c. Dr. Allowance for Doubtful Accounts $50. Cr. Accounts Receivable $50 Od. Dr. Bad Debt Expense $50. Cr. Accounts receivable $50 Green's financial statements show: Cash sales $100,000; Net credit sales $500,000; Accounts receivable beginning of the year (net) $40,000; Accounts receivable end of the year (net) $30,000; Uncollectible accounts expense $10,000; Merchandise inventory $25,000 beginning and $28,000 end of the year. Green's average collection period is: Select one: O a. 25.6 days b. 21.3 days c. 19.4 days O d. 2.85 times