extended with holding tax error

now my client is implemention Extended withholding tax. i done configuration extended with holding tax in sap. I create one with holding tax code 20%. Now my client requirement is TDS Percenetage value is 20%, education cess rate is 10% on tds value (20%, Education cess is 2%) surcharge is calculation on the total value * 3% can u tell me what are the config steps in sap.

Tds rate : 20% 20

Surcharge : 10% on 20 above code (20 * 10/100 = 2) 2

Edct cess : 3% on 22 (20+2) 0.66

22.66

i know how to create with holding tax code after thar u tell me in sap