Kolker company uses the percent-of-sales method to estimate uncollectibles. net credit sales for the current year amount to $ 150 comma 000, and management estimates 3% will be uncollectible. the amount of expense to report on the income statement was $ 4 comma 500. the allowance for uncollectible accounts prior to adjustment has a credit balance of $ 1 comma 000. the balance of allowance for uncollectible accounts, after adjustment, will be a. $ 4 comma 500. b. $ 5 comma 200. c. $ 5 comma 500. d. $ 500.