Report Painter-Help

Hi all,we would like to create our Customized Financial Statement and Balance Sheet using the Report Painter Functionality,

with Input as Period,Year,Profit center,Company Code,and Profit center Group.the Out put would be like all the GL/Cost elements according to the Profit center related, we have structure of GL are ready,could anyone please let me know how to start?to make these two reports?the libraries,transactions,for report Painter,,

Regards,

Betty Calhun