Eligible for the Bonus on probation period if the employee quits the job?

Bonus amount is for the employee who has worked a minimum of 30 days. He will be eligible to receive a bonus ranging from 8.33% to 20% of his actual salary, which should be between $7000 and $21000. The employer can award any percentage of bonus based on company policy. Employees earning above $21000 are not eligible for a bonus, but it is at the discretion of the employer to decide if a bonus will be given.

Yes, he is eligible for a bonus if he has worked for more than 30 days and the basic salary is not more than 21000 per month.