Hoang Corporation Makes Three Products That Use Compound W,the Current

Hoang Corporation makes three products that use compound W,the current constrained resource.Data concerning those products appear below:
Rank the products in order of their current profitability from most profitable to least profitable.In other words,rank the products in the order in which they should be emphasized.

A) RP,KI,LH
B) RP,LH,KI
C) KI,RP,LH
D) LH,RP,KI