TAHURA INYISHUIbi bibarwa gute?
ROI yoroshe yerekana inyungu yose. ROI y'umwaka ihindura iyo nyungu ikaba igipimo kingana c'ukura kw'inyungu zivyara izindi ku mwaka.
Ifomula y'inyungu ku ishoramariROI = (agaciro ka nyuma − ishoramari) ÷ ishoramari × 100
Akarorero ngirakamaro
Ishoramari rikura kuva ku madolari 10.000 rigashika ku 13.500 ryunguka amadolari 3.500, ni ukuvuga ROI yose ya 35%.