Alternatives          
Power (bhp)          
Weight (kg)          
criterion 1          
Power/weight (bhp/t)          
criterion 2          
Cost          
criterion 3          
a         
300         
1000         
300         
6300         
b         
330         
1050         
314         
6600         
c         
350         
1100         
318         
7000         
d         
400         
1300         
308         
6200