public function calculateClientSurveyQuestionsAverageScore(array $questions_ids, array $applicant_ids): Collection 	{ 		return Answer::join('questions', 'answers.question_id', '=', 'questions.id')->orderBy('questions.ordering')->select(DB::raw('ROUND(avg(answer_value),3) as answer_value_sum ,answers.question_id as id'))->groupBy('answers.question_id')->whereIn('answers.question_id', $questions_ids)->whereIn('applicant_id', $applicant_ids)->get(); 	}