Bonus payments are miss-named. They are performance payments and are calculated on a formula based on the difference between expected minimum performance and the higher achievement of the person paid.
Who then decides the minimum performance criteria? How is such measured? Why is it possible for someone to so far exceed expectations year-on-year that he can reasonably expect to be paid several hundred percent more for merely doing his job, which in nearly every case is already hugely rewarded by stratospheric basic pay?