Suppose that in a certain nation, the adult population is roughly 80 million, with a labor-force participation rate of 70 percent, and an unemployment rate of 7 percent. How many individuals were employed? 7 million 3.68 million 2.54 million 3.92 million Question 14 (1 point) Which of the following is an explanation for the existence of frictional unemployment? Efficiency wages Unions Minimum-wage laws Job search.