2-3. %EC%9E%A1%EC%9E%90%EC%9E%AC %ED%99%98%EA%B8%B0%EC%86%94%EB%A3%A8%EC%85%98 %3A%3A %ED%99%98%EA%B8%B0%EB%B6%80%EC%9E%90%EC%9E%AC %28REIN SERIES%29