If an Economist Were to Disregard Unionized Government Employees, Then

If an economist were to disregard unionized government employees, then current U.S. labor market statistics would show that

A) 10% of the workers employed by private firms work for a union.
B) 98% of the workers employed by private firms aren't unionized.
C) 8% of the workers employed by private firms work for a union.
D) 80% of the workers employed by private firms aren't unionized.