In Which of Two Unionized Firms Would You Expect Workers

In which of two unionized firms would you expect workers to receive higher wages?

A) in a firm where the threat of a strike is low
B) in a firm where the threat of a strike is high
C) in a firm that can substitute labor with capital easily
D) in a firm that can relocate the production process easily
E) in a firm that has workers with low education levels