How to add computed field with method in View

Hi Techies,

I am having requirement, need to Field in View(ProjPostTransView) here i am having field TotalCostAmountCur which is coming value based on legal entity currency. Now i want to add field TotalCostAmountCur which is replica and value should come in USD.

How to code in a view Can one help me.


Thanks in Advance!!!!