In my attempts to calculate the employer contribution percentage, the system calculates the percentage on the employee's deduction amount and not the employee's gross pay for the period.  For example, if the employee's Gross pay is $500 and their deduction percentage is 3 %, their deduction is 15.  If the company matches 3%, the system calculates $.45 ($15 x 3%) instead of ($500 x 3%).  How do I set this up so that the employer match