Vcalculate 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 1-30 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% . e 7-14 uncollectible accounts using the aging method; record adjustments at 12/31/2021, before recording any adjustments, zuo has a credit balance of $22,000 in its allowance for uncollectible accounts. lo7-5, lo7-6 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.