Please enter a valid age between 18 and 60.

Retirement age must be greater than current age and within 20-60.

Please enter a valid basic salary.

Please enter a valid percentage between 1 and 100.

Please enter a valid percentage between 1 and 100.

Please enter a valid percentage between 0 and 20.

Please enter a valid balance (non-negative).

Please enter a valid interest rate between 0 and 15.