[A] In Halsey incentive plan, bonus paid to a worker is equal to 50 percent of time saved divided by rate per hour.
[B] In Rowan incentive plan, bonus paid to employee is equal to the proportion of the time saved to the standard time.
[C] In Taylor’s differential piece rate system, a worker whose output exceeds standard output is paid 100 per cent of piece rate and a worker whose output falls short of standard is paid only 50 percent of piece rate.
[D] The Rowan incentive plan is the base of all other incentive, payment plans.