The potential market represents all active duty military​ members, all​ veterans, and their families. Assume that according to the United States Department of​ Defense, as of December​ 31, 2014 there were 1 comma 360 comma 001 active duty personnel in all armed services. The veteran population totaled 21 million at the end of 2014. Assuming the average cost of life insurance is ​$640 per year and that potential customers purchase one policy per​ year, use the chain ratio method to calculate the market potential for life insurance in the military market.