First cost, $ Annual cost, $/year Annual revenue,S/year Salvage value, s Life, years A -200.000 -50.000 +120.000 +25,000 10 B -550,000 -20.000 +120.000 0 15 C -1,000,000 -10.000 +110,000 +500.000 Q The alternatives above are mutually exclusive and the MARR is 8% per year. The annual worth :(AW) of alternative B is closest to The estimate quantities of excavation for basement using the attached drawings, given: Working Distance is 80 cm, and Slope of Excavation is 3 vertical to 1 horizontal, Depth of excavation is 4 m is: ! 5.00 m 5.00 m ou 8.00 122 SOL Seeton la