Pricing calculation on Variants

Hi Experts,

I have a scenario in pricing where I need to calculate a percentage surcharge on each variant condition. I tried to configure in below way but it doesn't work. Please suggest.

Base Price PR00 2000 2000

VAR1 VA00 200 200

VAR2 VA00 100 100

VAR3 VA00 50 50

Subtotal 2350 2350

VAR1 VA01 2% I want this to be calculated on VAR1 200 = 4

VAR2 VA01 5% I want this to be calculated on VAR1 100 = 5

VAR3 VA01 10% I want this to be calculated on VAR1 50 = 5

I cant do this by putting subtotal index or From-To. Because percentage is then calculated on total value of VA00. I want this to be calculated individually.

Please help.