The two alternatives shown are under consideration for improving security at a county jail in Travis County, New York. Determine which one should be selected, based on a B/C analysis, an interest rate of 7% per year and a 10-year study period. Extra Cameras New Sensors (EC) (NS) First cost, $ Annual M&0, $/year Benefits, $/year Disbenefits, $/year 38,000 49,000 110,000 26,000 87,000 64,000 160,000