Which variances discussed in this chapter would be directly affected by a learning curve phenomenon?

14-12    Will overtime premiums affect direct labor variances? If so, which ones?

14-13    Should the performance of a division be deemed less than satisfactory if all of its variances are “unfavorable”? Explain.

14-14    Explain what is meant by the term “management by exception.” What is the relationship between the process of standard cost variance analysis and management by exception?