Over the past several decades, we have seen a transition in the quality of work that companies offer employees. Which of the following statements best describes these changes in work quality? a. Employee benefits are increasing - firms are trying to reduce turnover through employee retention programs, like offering expensive benefits packages b. Work hours are getting shorter - many employers are reducing the number of hours worked per employee and are hiring more part-time employees to avoid being subject to regulations on employee benefits c. Work hours are more flexible - employee productivity continues to rise and firms are offering their workers more flexibility in their schedules as they continue to do more work in a shorter amount of time d. All of the above describe changes in the quality of work that companies offer employees