Suppose the Price of a Slice of Pizza Increased from $2

Short Answer

Suppose the price of a slice of pizza increased from $2 in 2009 to $2.25 in 2010, and then to $3 in 2011.
A) Compute the percentage change in the price of a slice of pizza between 2009 and 2011.
B) Compute the simple price index for 2011 if 2009 is the base year.
C) Compute the simple price index for 2009 if 2010 is the base year.