서울, 대전, 광주, 대구 소재의 총 40개 기업에게 설문을 요청하였고, 그중 22개의 응답지를 회수하여 AHP 분석을 실시하였다.
A total of 40 companies located in Seoul, Daejeon, Gwangju, and Daegu, were asked for a questionnaire, and 22 responses were collected, and AHP analysis was performed.