4.At the end of its first year of operations, December 31, 2020, Sheridan Inc. reported the following information. Accounts receivable, net of allowance for doubtful accounts Customer accounts written off as uncollectible during 2020 $997,800 21,930 Bad debt expense for 2020 87,790 What should be the balance in accounts receivable at December 31, 2020, before subtracting the allowance for doubtful accounts? Accounts receivable, before deducting allowance for doubtful accounts $ 5. The following accounts were taken from Skysong Inc's trial balance at December 31, 2020. Debit Credit $781,700 Net credit sales $12,650 330,200 Allowance for doubtful accounts Accounts receivable If doubtful accounts are 3% of accounts receivable, determine the bad debt expense to be reported for 2020. $ Bad debt expense, as adjusted