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 (ii). Conway uses the income statement approach in estimating uncollectible accounts expense, and uncollectible accounts expense is estimated to be 1% of credit sales. What is the amount of uncollectible accounts expense recognized in Conway's income statement for January? Select one: O a $7,500 O b. $5,900 O c. $6,400 O d. $8,000