The most common form of bonus is

Cash bonus
Compound bonus
Dividend
Reversionary bonus

The most common form of bonus is cash bonus. A cash bonus is a payment made to an employee in addition to their regular salary. It is typically given as a reward for good performance or to recognize a special achievement. Cash bonuses can be paid out on a regular basis, such as annually or quarterly, or they can be given as one-time payments.

A compound bonus is a bonus that is paid out based on the employee’s performance over a period of time. The amount of the bonus is typically based on a percentage of the employee’s salary, and it is paid out at the end of the year or at the end of the employee’s employment.

A dividend is a payment made to shareholders by a company. Dividends are typically paid out quarterly, and they are based on the company’s profits.

A reversionary bonus is a bonus that is paid out to an employee if they remain with the company for a certain period of time. The amount of the bonus is typically based on the employee’s salary, and it is paid out when the employee leaves the company.

In conclusion, the most common form of bonus is cash bonus. It is a payment made to an employee in addition to their regular salary. It is typically given as a reward for good performance or to recognize a special achievement.