Shakisha inama ugomba gusiga muri resitora. Muri resitora yo muri Amerika hamwe na serivise yameza ugomba gutanga 15% nibindi byinshi. Niba wakiriye Niba wakiriye serivisi zidasanzwe, 20 kugeza 25% birasanzwe. Ntukabe scrooge, ugire ubuntu, utange inama nziza!