1. For the data below, find the missing values and determine the alternative that should be selected according to incremental B/C analysis. Assume the modified B/C method is used and all alternatives last forever. Suppose i = 12%. First Cost ($) Annual Cost ($) Benefit ($) Project B/C Alternatives A B D E F -20,000-30,000 [c] -35,000 -80,000 -60,000 [a] -5,000 -8,000 -15,000 -28,000 -50,000 30,000 50,000 80,000 40,000 (e] 85,000 1.15 [b] 1.44 [a] 0.9 [f]