Suppose Over the Last Year That the Price of Scrap

Suppose over the last year that the price of scrap paper rose from $100 a ton to $108 a ton.Over the same time suppose an overall measure of prices rose from 125 to 130.The

A) price of scrap paper rose by less than inflation, but this doesn't necessarily mean it became scarcer.
B) price of scrap paper rose by less than inflation, and this means it became scarcer.
C) price of scrap paper rose by more than inflation, and this means it became scarcer.
D) price of scrap paper rose by more than inflation, but this doesn't necessarily mean that it become scarcer.