4. At the end of its first year of operations, December 31, 2020, Bridgeport Inc. reported the following information. Accounts receivable, net of allowance for doubtful accounts Customer accounts written off as uncollectible during 2020 Bad debt expense for 2020 $921,900 22,440 80,610 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 accountsel