Zuo Software categorizes its accounts receivable into four age groups for purposes of estimating its allowance for uncollectible accounts. 1. Accounts not yet due =$400,000; estimated uncollectible =8%. 2. Accounts 130 days past due =$50,000; estimated uncollectible =15%. 3. Accounts 31-90 days past due =$40,000; estimated uncollectible =30% 4. Accounts more than 90 days past due =$30,000; estimated uncollectible =50%. At 12/31/2024, before recording any adjustments, Zuo has a credit balance of $22,000 in its allowance for uncollectible accounts