For the year ended December 31, 2020. Sheridan Company estimated its allowance for uncollectible accounts using the year-end aging of accounts receivable. The following data are available: Allowance for uncollectible accounts, 1/1/20 $123000 Uncollectible accounts written off, 11/30/20 Estimated uncollectible accounts per aging, 12/31/20 103000 152000 After year-end adjustment, the bad debt expense for 2020 should be $103000 $132000. $152000 $89500