Answer:
The answer is A.
Step-by-step explanation:
a. subtract the balance of Allowance for Doubtful Accounts from Accounts Receivable , because
the account receivables is an asset account, so must be subtracted the allowance of doubtful receivables, which functions as a regularizing account of the asset.
Option B is not appropriate since it subtracts the expense recognized in the period and not the total forecast .
and option C and D add the receivables that are considered doubtful or uncollectible, so it is not appropriate either.