How To show sum of different columns using pie Chart in QlikView?

[#1]

My Excel Sheet Values

Country	A	B	C	D	Total
India	2	10	2	5	19
USA	1	1	1	1	4
Germany	3	2	1	1	7

Required Columns

Column1 - High (A+B)

Column2- Low (C+D)

For Example India

High - 12

Low - 7

If I click India need to show below format Pie Chart

How to prepare this Pie Chart View?

[Gysbert_Wassenaar]

See attached qvw.