Ford Motor Company's wage rate, including benefits, was $80 an hour in 2006 and $58 an hour in 2011. The CPI was 202 in 2006 and 218 in 2011. What is the percentage change impact on real wages between 2006 and 20117
a. the real wage rate fell by 32.8%.
b. the real wage rate increased by 32.8%
c. the real wage rate fell by 48.8%
d. there is no change'in the real wage rate