Suppose There Are 10 Million Part-Time Workers and 90 Million

Multiple Choice

Suppose there are 10 million part-time workers and 90 million full-time workers in an economy.Five million of the part-time workers switch to full-time work.As a result,

A) the official unemployment rate will fall.
B) the official unemployment rate will rise.
C) the official unemployment rate will remain unchanged.
D) the size of the labor force will increase.