All of Roberts Company's sales are on a credit basis. The following information is available for 2015: Allowance for doubtful accounts at 1/1/15 Sales Sales retums Accounts written off as uncollectible $8,000 475,000 40,000 10,000 Roberts provides for doubtful accounts expense at the rate of 3% of net sales. Following adjusting entries at December 31 2015, the allowance for doubtful accounts balance will be: Select one: O a. $14,050 b. $13,250 c. $13,050 d. $12,050 e. $11,050 In a periodic inventory system, a customer returning merchandise on account is recorded by debiting: Select one: a. Cost of Goods Sold b. Sales Returns c. Purchases d. Inventory e. Accounts Receivable