Answer:
b) Fred must maintain records for 6 years from the year the return was filed
Step-by-step explanation:
A person that prepares tax is required by the Internal Revenue Service to keep tax returns and supporting documents for at least 3 years.
However when the tax preparer fails to report correct income amount they are required to keep records for at least the last 6 years.
The underreported income must be greater than 25% of the income.
In the given scenario the Fred reported $10,000 instead of $13,500.
The unreported amount is $3,500
Percentage not reported = (3,500 ÷ 13,500) * 100 = 25.925%
So Fred will need to keep records for the next 6 years