Agi Insurance How Do I Amend My 2008 Tax When I Overstate My Rental Property's Insurance By $9000?

How do I amend my 2008 tax when I overstate my rental property's insurance by $9000? - agi insurance

Is it fair to increase my adjusted gross income of 9,000 dollars and is empty? So, how can I determine how much tax you QDCGTW if I have used my tax return home?