How to display dynamic value in pivot table in groupwise Total & Sub total

[#1]

How to display Dynamic Text with Total & Sub Total Heading in pivot table Please refer screen shot

n Comment for referenace. Sample QVW file is attached.

[Gysbert_Wassenaar]

See this discussion: Custom Labels in Pivot Table

[#3]

Hii Gysbert,

How can be the custom lable in pivot tble without using inline table

because column value may dynamicly increased or changed.

Can we achive using expression in presentation tab? or any other way? Please refer attched qvw file for reference.