Sheffield Corp. prepared an aging of its accounts receivable at December 31, 2020 and determined that the amount expected to be collected was $906500. Additional information is available as follows: Allowance for uncollectible accounts at 1/1/20-credit balance Accounts written off as uncollectible during 2020 Accounts receivable at 12/31/20 $100500 68500 976500 Uncollectible accounts recovered during 2020 14300 For the year ended December 31, 2020, Sheffield's bad debt expense would be $68500. $23700. $70000. $46300