E 7-13 Uncollectible accounts; allowance method estimating bad debts as percentage of net sales vs. direct writeoff method [LO5,[ LO7-6 Ervin Company uses the allowance method to account for uncollectible accounts receivable. The allowance account is adjusted based on bad debt expense as a percentage of credit sales. For 2024, net credit sales totaled $4,500,000, and the estimated bad debt percentage is 1.5\%. No previously written-off accounts receivable were reinstated during 2024. The allowance for uncollectible accounts had a credit balance of $42,000 at the beginning of 2024 and $40,000, after adjusting entries, at the end of 2024 . Required: 1. What is bad debt expense for 2024 as a pereent of net credit sales? 2. Assume Ervin makes no other adjustment of bad debt expense during 2024. Determine the amount ofaccounts receivable written off during 2024. 3. If the company uses the direct write-off method, what would bad debt expense be for 2024