How can we use the information from the table shown to compare the real value of the 1979 salary to that of the one earned in 2009?

Year: Salary: CPI:
1969 $20,520 36.7
1979 $43,256 72.6
1989 $85,529 124
1999 $135,250 166.6
2009 $170,844 214.5

How can we use the information from the table shown to compare the real value of the 1979 salary to that of the one earned in 2009? 



A. You can see that the salary has increased from $43,265 to $170,844.

B. You need to put the 2009 salary into real 2009 terms to compare it to 1979.

C. You need to put both salaries into real dollars in the same year for comparison.

D. There is no real way to compare the two.





Answer: C


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