Answer:
The adjusting entry at the end of the year will include a credit to allowance for doubtful accounts in the amount of $910.
Step-by-step explanation:
Allowance for Doubtful Accounts balance should be Credit balance, Since we have $120 debit balance and want to create $790 Allowance for Doubtful Accounts credit balance we have to credit Allowance for Doubtful Accounts by ($790 + $120 = $910) to get Allowance for Doubtful Accounts $790 Credit balance.
Therefore, The adjusting entry at the end of the year will include a credit to allowance for doubtful accounts in the amount of $910.