Difference between AX2009 and AX2012 finance module topics

Hi All,

Can someone give me an overview of the modification or new changes made in AX2012 functionality as compared to AX2009 related to finance topics such as :

1.Difference in chart of account 2009 and main Account 2012.

2.Difference in Fiscal period in AX2009 and AX2012.

3.Difference or new features added to budgetting module.

4.Difference or new features added to Fixed Asset module.

5.Comparison between currency setup and Exchange rates in AX2009 and AX2012.

Such topics related to finance module will help me lot in getting a quick overview  and difference in AX2009 Vs AX2012.

Thanks.