Pearl E. White Orthodontist specializes in correcting misaligned teeth. During 2024, Pearl provides services on account of $590,000. Of this amount, $80,000 remains receivable at the end of the year. An aging schedule as of December 31, 2024, is provided below. Required: 1. Calculate the allowance for uncollectible accounts. 2. Calculate bad debt expense for 2024, assuming the balance of Allowance for Uncollectible Accounts before adjustment is $5,000 (positive, credit balance). 3. On July 19,2025 , a customer's account balance of $8,000 is written off as uncollectible. Show the financial statement effects of this write-off