Zuo Software categorizes its accounts receivable into four age groups for purposes of estimating its allowance for uncollectible accounts.

1. Accounts not yet due = $450,000; estimated uncollectible = 5%.
2. Accounts 1-30 days past due = $56,300; estimated uncollectible = 9%.
3. Accounts 31-90 days past due = $45,000; estimated uncollectible = 13%
4. Accounts more than 90 days past due = $33,800; estimated uncollectible = 17%.

At 12/31/2021, before recording any adjustments, Zuo has a credit balance of $23,400 in its allowance for uncollectible accounts.

Required:

1.Estimate the appropriate 12/31/2021 balance for Zuo's allowance for uncollectible accounts.

2.What journal entry should Zuo record to adjust its allowance for uncollectible accounts?

3.Calculate Zuo's 12/31/2021 net accounts receivable balance.