how do I configure the amount of commission that the affiliate will win?

how do I configure the amount of commission that the affiliate will win?

with this plugin is possible to pay commissions on 3 levels of affiliates (marketin network)?

http://translate.google.com.br/#pt/en/como%20eu%20fa%C3%A7o%20para%20configurar%20o%20valor%20da%20comiss%C3%A3o%20que%20o%20afiliado%20vai%20ganhar%3Fcom%20este%20plugin%20%C3%A9%20possivel%20pagar%20comiss%C3%B5es%20em%203%20niveis%20de%20afiliados%20(marketin%20de%20rede)%3F