The Share of the Labor Force That Was Unionized Increased

Multiple Choice

The share of the labor force that was unionized increased from approximately 10 percent in 1930 to more than 30 percent in 1955. During these 25 years, the share of national income allocated to labor (in contrast to capital)

A) remained virtually constant.
B) increased approximately 10 percent.
C) increased between 15 and 25 percent.
D) increased 17.6 percent.