CA Final Costing in 7 days

Luneau ( ) (38 Points)

19 April 2010  

As crazy as te tilte of this question may sound.  I have 7 days time to open books of costing and read up something to appear in the May attempt.  I have covered the OR part.  I know only  Standard costing and some basics of Marginal costing.  Can anyone tell me how i can go about doing some decent prep to appear.  Pls send in ur inputs.  I have padhukas book and ravi m kishore and stdy material.