Effect of Doubtful Accounts on Net Income During its first year of operations, Fisher Plumbing Supply Co. had sales of $620,000, wrote off $9,900 of accounts as uncollectible by decreasing Accounts Receivable directly, and reported net income of $68,200. Determine what the net income would have been if the allowance method had been used, and the company estimated that $9,300 of accounts receivable would be uncollectible. X Feedback Check My Work Begin with net income. Add back the amount wrote off of accounts uncollectible (which reduced net income) and subtract the total amount estimated of accounts receivable that would be uncollectible