How to make a periodic (monthly) plan component that should give me as a result the SUM of the trans

Hello everyone

do you know how can I calculate a participant every 90 days and bring up an ITD result of that SUM (every 90 days) but without specifying the plan component as a quarterly payout method.

this is beause I need to calculate the participant from his first date of his contract and 90 days forth.

If he reaches his goal of $25000 to the day 90, his accumulated SUM should be multiplied by the the 6%

example (30000*0.06)

the result should be the earning at the end of his first 90 days.

thanks