At the end of January, the unadjusted trial balance of Conway, Inc. included the following accounts: Unadjusted Trial Balance January 31, 2019 Debit Credit $800,000 Sales (80% represent credit sales) Accounts Receivable Allowance for Doubtful Accounts $100,000 $500 (i). Conway uses the balance sheet approach in estimating uncollectible accounts expense, and aging the accounts receivable indicates the estimated uncollectible portion to be $7,000. What is the amount of uncollectible accounts expense recognized in Conway's income statement for January? Select one: a. $6,500 b. $7,500 O c. $7,000 O d. $500