public function getEngagement(Collection $answers, Collection $categories): string 	{ 		$generalReportCalculationService = new GeneralReportCalculationService;  		$average_value = $generalReportCalculationService->calculateClientSurveyGradeForSpecificCategories($this->client_survey, $answers, $categories);  		if ($average_value >= 3.45) { 			return (string) __('comparative-report-pdf.engaged'); 		}  		if ($average_value >= 2.05 && $average_value < 3.45) { 			return (string) __('comparative-report-pdf.unengaged'); 		}  		if ($average_value < 2.05) { 			return (string) __('comparative-report-pdf.actively-disengaged'); 		}  		return '/'; 	}