Which of the Following Statements Is True Regarding Work Specialization

Which of the following statements is true regarding work specialization?

A) Work specialization indicates to what degree there will be rules and formalization regulations to direct employees and managers.
B) Work specialization decreases the time spent in changing tasks.
C) Work specialization increases the cost of finding and training workers to do specific and repetitive tasks.
D) Work specialization provides an unending source of increased productivity.
E) Work specialization hinders efficient use of employee skills.