In an Economy of 100 People in the Labor Force

Multiple Choice

In an economy of 100 people in the labor force, if 10 people are unemployed for 4 weeks during the year, and 30 people are unemployed for 8 weeks during the year, and the rest are employed continuously throughout the year, then the average duration of unemployment in this economy is:

A) 5 weeks.
B) 6 weeks.
C) 7 weeks.
D) 8 weeks.