Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 28

In evaluating three independent alternatives by the B/C method, the alternatives were ranked A, B, and C, respectively, in terms of increasing cost, and the following results were obtained for overall B/C ratios: 1.1, 0.9, and 1.3. On the basis of these results, you should:
A) Select only alternative A
B) Select only alternative C
C) Compare A and C incrementally
D) Select alternatives A and C