If the Price of a Typical Market Basket of Goods

If the price of a typical market basket of goods increased from about $20 in 1960 to $200 in early 2012,then it:

A) must not have contained the same goods in both periods.
B) rose at a rate of 100% from 1960 until early 2012.
C) rose at a rate of 10% per year from 1960 until early 2012.
D) rose by 10-fold from 1960 until early 2012.
E) rose by 40-fold from 1960 until early 2012.