Experts Have Concluded That the Current Consumer Price Index Overstates

Multiple Choice

Experts have concluded that the current consumer price index overstates increases in the "cost of living".What is the extent of the overstatement?  

A)  0.2 to 0.6 percent per year 
B)  0.6 to 1.0 percent per year 
C)  1.0 to 1.4 percent per year 
D)  1.4 to 1.8 percent per year