where i can found recalculate.json?

[solwininfotech]

Hello ,
I am using virtuemart 2.0.2 and joomla 1.7.
i want to change so thing in the hard code.
So i want to know
where can i found the file or code for
recalculate.json 

Do anyone help me in this matter?


Please reply its urgent

Thanks in advance

[ultimatenyx]

I know you must have gotten this....But other beginners should know so...here goes

/components/com_virtuemart/controllers/productdetails.php