Answer:
The amount to be debited to bad debt expense to adjust for allowance for doubtful accounts is $2,275, recorded as follows:
Debit Bad debt expense                $2,275
Credit Allowance for doubtful accounts    $2,275
(To recognize bad debt expense for the year)
Explanation:
The aging schedule of Gidget Inc. as at December 31, 2020
Status                 Amount      Credit loss rates  Estimated Bad debt
Not past due          $455,000          0.5%           $2,275
Past due 1 - 30 days     $108,000            1%            $1,080
Past due 31 - 60 days    $55,000            2%            $1,100
Past due over 60 days    $14,000            8%            $1,120
Total                 $632,000                        $5,575
Since the balance in allowance for doubtful accounts is $3,300 credit, the bad debt expense would therefore be $2,275 ($5,575 - $3,300).