newbie-fa aging report

HI,

I am newbie in Axapta.I am developing a FA aging report.I want to get the acquisition & depreciation value for the same.

WHen the user will run the report, the user will enter a date ,value model(fa details form-value model),posting layer.based on the filer i want to get the acquistion value & depreciation value as on the date entered in the dailog filter based on combination of asset-value model-posting profile if any given in dialog filter…

Kindly help…its urgent.I am t able to figure out the same.

Also how to save the report into excel sheet