Locations under consideration for a border patrol station have their costs estimated by the federal government. Use the B/C ratio method at an interest rate of 9% per year to determine which location to select, if any. Location Initial Cost, $ Annual Cost, $ per Year Disbenefits, $ per Year Life, Years The AB/C ratio is Select location (Click to select) North N 1,360,000 480,000 70,000 South S 2,900,000 400,000 45,000