Suppose a basket of goods and services has been selected to calculate the CPI. In 2002, the basket's cost was
$80; in 2008, the basket's cost was $92; and in 2010, the basket's cost was $108. The base year must be
a. 2002.
b. 2008.
c. one of the years between 2008 and 2010.
d. The base year cannot be determined from the given information.
d. the base year cannot be determined from the given information