Project Status Inquiry Calculation

Hi,

Can anyone please explain how system calculates PSI Columns which are below: 

ITD Bgt-Rev, ITD Rev -Act, ITD Bgt-Cst, ITD Cost -Act,   PTD-Cst Bgt,   PTD - Act Cost , Commit Amt , Estimate to Complete and Fin% Complete

I will appreciate if explained by considering below example.

Project Start Date                = 01 Jan 2012

project End date                  = 31 Dec 2012

Aproved Cost Budget          = 1200

Approved Revenue Budget =12000

Agreemnt Amount                =12000

Funded Amount                    =12000            ( Funding level= Project and this is the Original Funding)

Project Funding Date          = 23 July 2012

Actual Cost = 150                                         ( considering expense item date = 23 july 2012)

Accrured Revenue=200                              ( considering revenue accurual date = 23 july 2012)

Current Reporting Period     = July-12

 

Thanks