Suppose That Computer Factory Workers and Cell Phone Factory Workers

Multiple Choice

Suppose that computer factory workers and cell phone factory workers have no unions. Now suppose that cell phone factory workers form unions. What does this do the labor supply of and wages of workers in computer factories?

A) It increases the labor supply and wages of computer factory workers.
B) It increases the labor supply and decreases the wages of computer factory workers.
C) It decreases the labor supply and increases the wages of computer factory workers.
D) It decreases the labor supply and wages of computer factory workers.