William Industries had a balance in its allowance for doubtful accounts at the end of 2019 of $64,500. William reported sales of $10,000,000 in 2020 and wrote off receivables of $63,000 during 2020. At the end of the year, William makes an estimate of uncollectible accounts receivable based on the year-end aging using the assumptions provided below. a) What should the balance be in William's allowance for doubtful accounts as of December 31,2020? Show your work. b) What should William report as bad debt expense for 2020? Show your work. c) What should William report as Accounts Receivable, net, as of December 31,2020? Show your work. As of December 31, 2020 Days Past Due 0-30 days past due 31-60 days past due 61-90 days past due 90+ days past due Receivables $750,000 250,000 75,000 25,000 $1,100,000 Estimated Uncollectible 2.00% 10.00% 25.00% 50.00% Allowance for doubtful accounts at 12/31/19 Write-offs in 2020 2020 Sales $64,500 $63,000 $10,000,000