If two mutually exclusive alternatives have B/C ratios of 1.4 and 1.5 for the lower and higher cost alternatives, respectively: (choose one)
(a) The B/C ratio on the increment between them is equal to 1.5
(b) The B/C ratio on the increment between them is between 1.4 and 1.5
(c) The B/C ratio on the increment between them is less than 1.5
(d) The higher cost alternative is definitely better economically
(d) The higher cost alternative is definitely better economically
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