Marigold Corp.'s account balances at December 31, 2020 for Accounts Receivable and the related Allowance for Doubtful Accounts are $917000 debit and $1920 credit, respectively. From an aging of accounts receivable, it is estimated that $42000 of the December 31 receivables will be uncollectible. The necessary adjusting entry would include a credit to the allowance account for

The necessary adjusting entry would include a credit to the allowance account for $40080

Explanation:

Marigold Corp.'s Account Balances

At December 31, 2020

Accounts Receivable  $917000 Debit

Allowance for Doubtful Accounts $1920 credit

Bad Debts                                $42000

Unadjusted Balance  of Uncollectibles          $ 1920

Estimated Balances                                         $ 42000

Required  Adjustment                                      $ 40080

The data tells that the Allowance for Doubtful Accounts  has a credit balance of $1920 the required adjustment to the allowance for doubtful accounts is $ 40080. The required entry is

Bad debts Expense            40,080 Dr.

Allowance for Doubtful Accounts $40,080 credit

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link :

the answer is either c or b, i cant be to sure tho.