Answer:
The correct answer is A
Explanation:
A substantial understatement may occur when tax return is understated by an amount greater than 10% of the tax required to be shown on the tax return.
Example: If a tax payer that is suppose to report a $6000 tax due and choose to report a $2000 instead, to know if a penalty will be charged or not it has to be greater than 10% of the amount which is suppose to be reported (i.e $6000 x 10% = 600) . therefore in the case shown above the penalty will be applied