3.An account becomes uncollectible

a.when multiple factors confirm that the account is uncollectible.

b.upon receipt of a certified letter from the debtor.

c.when the debtor fails to pay a note on the due date.

d.at the end of the fiscal year.

4.The direct write-off method is required

a.for companies that factor their receivables.

b.by GAAP.

c.where receivables are a large part of the current assets.

d.for federal income tax purposes