Why is Rowan plan used if it is not beneficial?

Premium Bonus Plans Halsey Weir Rowan rowan bonus plan formula Rowan Premium Plan : Rowan's premium plan is one Halsey And cosmicslot bonus In other words, the ratio between the bonus & the time saved is equal to the ratio between the time taken & the time allowed Halsey, Rowan Schemes

3 patti yes 61 bonus It is considered the introduction of incentive scheme-either Halsey Scheme or Rowan scheme of wage payment for increasing the labour