The Size of the Labor Force Is Calculated as the

The size of the labor force is calculated as the

A) sum of the number of unemployed and the number of employed.
B) sum of the number of unemployed,the number of employed,and the number of discouraged workers.
C) sum of the number of unemployed,the number of employed,the number of discouraged workers,and the number of underemployed workers.
D) difference between the number of employed and the number of unemployed.
E) number of employed.