4. At the end of its first year of operations, December 31, 2020, Ayayai Inc. reported the following information

Accounts receivable, net of allowance for doubtful accounts $867,500

Customer accounts written off as uncollectible during 2020 24,140

Bad debt expense for 2020 90,280

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 $_____________