TAHURA INYISHUIbi bibarwa gute?
Umusoro w'igurisha wongerwa ku giciro c'imodoka, hanyuma amahera ya mbere n'agaciro k'imodoka yahinduwe bikagabanya amahera agurizwa. Kwandikisha, inyandiko n'amahera y'umucuruzi ntibirimwo.
Amahera yagurijwe n'ikiguzi co kwishuraAmahera agurizwa = igiciro + umusoro − intererano ya mbere − agaciro k'ico wahinduye
Akarorero ngirakamaro
Imodoka y'amadolari 38.000 ifise umusoro wa 6%, intererano ya mbere y'amadolari 5.000 n'imodoka ishaje ihabwa agaciro k'amadolari 3.000, isigarana amadolari 32.280 yo kugurizwa imbere y'amahera y'umucuruzi.