Roughly, running Procuc requires a profit of at least 30 – 40% of the cost price of each cost object within a month.
Ili mwenye mali aweze kuwalipa wenye hela malipo yao bila kusuasua, kila bidhaa anayoiuza lazima aiuze kwa faida ya asilimia thelathini (30%) mpaka asilimia arobaini (40%) ndani ya mwezi mmoja.