After Acquiring a Substitute Product,to Achieve Greater Profitability,one Should

After acquiring a substitute product,to achieve greater profitability,one should

A) Raise price on both products,but raise price more on the less price elastic product
B) Raise price on both products,but raise price more on the more price elastic product
C) Raise price on just the less price product
D) Raise price on just the more price elastic