4. (15 min.)

     (a) Bad Debts Expense ...............................  4,760

           Allowance for Doubtful Accounts ($5,260 - $500)          4,760

             (To adjust the allowance account to total

             estimated uncollectible)

    

     (b) Bad Debts Expense ...............................  5,760

           Allowance for Doubtful Accounts ($5,260 + $500)          5,760

             (To adjust the allowance account to total

             estimated uncollectible)