All of the following are characteristics of Group Bonus Scheme EXCEPT:

(A) A standard time is set for the completion of a job
(B) If the time taken is greater than the time allowed, the workers in the group receive time wages
(C) If the time taken is less than the time allowed, the group receives a bonus on time saved
(D) If the time taken is greater than the time allowed, the workers in the group receive time deductions for extra hours