Suppose That Over the Last Year the Price of Copper

Multiple Choice

Suppose that over the last year the price of copper increased from $1.70 a pound to $1.79 per pound.Over the same time a measure of the overall price level increased from 300 to 309.The price of copper increased by

A) less than inflation,and this means it became relatively less scarce.
B) less than inflation,and this means it became scarcer.
C) more than inflation,and this means it became scarcer.
D) more than inflation,but this doesn't necessarily mean that it become scarcer.