Problem: All of the following statements regarding the United States economy during the 1920s are true except
A. over the decade, the national economy grew by more than 40 percent
B. over the decade, the per-capita Gross Domestic Product rose from roughly $6,400 to more than $8,000
C. the United States produced almost half of the world's total output
D. by the end of the decade, the top 1 percent of earners took 35 percent of all wealth
E. the economy developed into a free market