Comparison of five mutually exclusive alternatives is shown. One must be accepted. According to the B/C ratio, which alternative should be selected (costs increase from A to E).

∆B/C

Comparison         Ratio

A versus B ............0.75

B versus C ............1.4

C versus D ............1.3

A versus C ............1.1

A versus D ............0.2

B versus D ............1.9

C versus E ............1.2

D versus E ............0.9