The Most Significant Real Economic Cost of High Unemployment Is

The most significant real economic cost of high unemployment is:

A) the money cost of unemployment insurance payments to the unemployed.
B) the lost tax revenue that might have been paid by persons if they had worked.
C) the difference in income between a person's lost job and her new job.
D) the potential goods and services that might have been produced but were not.
E) the number of people working in the underground economy.