According to Copeland and Labuski,research Indicates That Compared to Other

According to Copeland and Labuski,research indicates that compared to other retail and "big box" stores:

A) Wal-Mart's wages are about the same.
B) Wal-Mart's wages are significantly lower.
C) Wal-Mart's wages are significantly higher.
D) There is no way to make this comparison because Wal-Mart refuses to release wage data.