Assume two airplane mechanic jobs "Career A" and "Career B" are identical in every way except "Career A" requires mechanics to be 4 feet & 6 inches or shorter so they can access certain parts of a plane, while Career B mechanics can be any height. What do you expect in terms of their wages?

A. Career B's wages will be lower than Career A's wages
B. Career A and B wages will be equal
C. Career B's wages will be higher than Career A's wages