Grand Total in Expression

[#1]

Hi

I am sharing a file, Whcih is quite interesting. I want Grand Total in my Last Column i.e. - Test1. Value should be 35097.36, Please don't change in logic. Which is correct, Only grand total should be 35097.36 which is coming in subtotal.

Thanks in Advance.

[sivarajs]

Try generating rowno in the script the use in the expression where you are checking rowno

[#3]

Is it possible to in front end by any function or ...