QUESTION 15 In 2020, Silver Spring had net credit sales of $850,000. On January 1, 2020, Allowance for Doubtful Accounts had a credit balance of $18,000. Past experience indicates that the allowance should be 10% of the balance in receivables (percentage of receivable basis). If the accounts receivable balance at December 31 was $260,000, what is the required adjustment to the Allowance for Doubtful Accounts at December 31, 2020? $178,000 Oa b. $160,000 OC $16,000 Od. $8,000