Two machines are being considered for purchase. Assuming 8% interest, which machine should be bought? Use benefit to cost ratio analysis. Machine X Machine Y Initial Cost $2.500 $7000 Uniform Annual Benefit S 400 $ 600 Salvage Value S 500 $ 700 Useful Life in years 6 12 EUAC (x): EUAB (x): EUAC (y): EUAB (y): Best is