Pesa ndakisa ya esaleli ya mosolo oyo esalelamaka mpo na koyeba matomba ya mosolo oyo otye.
 Ndakisa moko ya esaleli ya mosolo oyo esalelamaka mpo na koyeba ba retours ya investissement ezali calculateur ya Retour sur investissement (ROI). Esaleli oyo esalaka calcul ya retour pourcentage ya investissement na kozuaka profit to profit oyo euti na investissement mpe kokabola yango na coût ya liboso ya investissement. Na sima ba multiplier résultat na 100 pona ko exprimer ROI lokola pourcentage. Esaleli oyo esalelamaka mingi na ba investisseurs pona ko mesurer performance ya ba investissements na bango pe ko comparer efficacité ya ba investissements ndenge na ndenge.