average U.S. wages in 1990 were 28,960, far larger than the average wage in 1930 of 1,970. what was the average annual increase in wages over this 60-years period?
a. 3.31%
b. 2.45%
c. 24.50%
d. 4.58%
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average U.S. wages in 1990 were 28,960, far larger than the average wage in 1930 of 1,970. what was the average annual increase in wages over this 60-years period?
a. 3.31%
b. 2.45%
c. 24.50%
d. 4.58%