select descuento from empresa where empMadre='372948' and id_emp=523select descuento from empresa where empMadre='372948' and id_emp=523select descuento from empresa where empMadre='372948' and id_emp=523select descuento from empresa where empMadre='372948' and id_emp=523select descuento from empresa where empMadre='372948' and id_emp=523