1. Fu Hsing Kang College, National Defense University, No. 70, Sec. 2, Zhongyang North Rd., Beitou, Taipei 112, Taiwan
2. Department of Financial Management, Management College, Nation Defense University, No. 70, Sec. 2, Zhongyang N. Rd., Beitou Dist., Taipei City 112, Taiwan
3. Department of Business Administration, Chaoyang University of Technology, Taichung, Taiwan