public function calculateClientSurveyQuestionsAverageScore(array $questions_ids, array $applicant_ids): Collection 	{ 		return Answer::select(DB::raw('ROUND(avg(answer_value),10) as answer_value_sum ,question_id as id'))->groupBy('question_id')->whereIn('question_id', $questions_ids)->whereIn('applicant_id', $applicant_ids)->get(); 	}