Suppose that the price of butter is $3 per pound and that the price of margarine is $2 per pound. If the price of butter rises to $3.90 and the price of margarine rises to $2.20, then the absolute price of butter has ___________ and the relative price of butter has _____________.

A. Risen; fallen

B. Fallen; risen

C. Risen; risen

D. Fallen; fallen

I know the answer is A but I don't understand why. I thought the answer would be C. Can you explain why the answer is A?