Answer:
Entry: 1. Dr bad debts expense  5500
          Cr Allowance for uncollectible accounts  5500
Explanation:
1.Account receivable = Â $44000
Allowance for uncollectible accounts(Dec,31 2021) = $1100
44000* 15% = 6600 - 1100 = $5500 Allowance for uncollectible accounts
2. Â Bad debts expense = Â (44000* 15%) = 6600
3. Uncollecible accounts = (Open) Allowance for bad debts + Current year Allowance.
             =  1100 + 6600 = $7700.
4. 44000 - 7700 = $36300 net account receiable