if ($i < 4) {
                if (($tblPrepareAdditionalGradeType = Prepare::useService()->getPrepareAdditionalGradeTypeByIdentifier('WRITTEN_EXAM'))
                    && ($writtenExamGrade = Prepare::useService()->getPrepareAdditionalGradeByRanking(
                        $tblPrepareCertificate,
                        $tblPerson,