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6. Continuing on the Luxury Rail example from the previous question, what would the firm's cost of equity capital be if its debt/equity ratio were 2? What if its debt/equity ratio were 1? What if its debt/equity ratio were zero? At D/E = 2: At D/E = 1: At D/E = 0; 6. Continuing on the Luxury Rail example from the previous question, what would the firm's cost of equity capital be if its debt/equity ratio were 2? What if its debt/equity ratio were 1? What if its debt/equity ratio were zero? At D/E = 2: At D/E = 1: At D/E = 0