Which of the Following Both Make a Firm More Likely

Multiple Choice

Which of the following both make a firm more likely to pay efficiency wages?

A) it is easy to judge the quality of applicants and after workers have worked for the firm a while they tend not to look for other jobs
B) it is easy to judge the quality of applicants and after workers have worked for the firm a while they tend to look for other jobs
C) it is difficult to judge the quality of applicants and after workers have worked for the firm a while they tend not to look for other jobs
D) it is difficult to judge the quality of applicants and after workers have worked for the firm a while they tend to look for other jobs