what am i doing wrong?

Mercy Hospital has the following balances on December 31, 2021, before any adjustment: Accounts Recelvable =$58,000; Allowance for Uncollectible Accounts =$1,500 (credit). Mercy estimates uncollectible accounts based on an aging of accounts recelvable as shown below. Required: 1. Estimate the amount of uncoliectible receivables. 2. Record the adjusting entry for uncollectible accounts on December 31, 2021. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.) 3. Calculate net accounts receivable