This static example shows what a retiree with a $1,000 monthly benefit will lose in the future under Senate Bill 1. If your gross monthly benefit is $3,000, multiply all dollar amounts by 3, etc. For an interactive spreadsheet of your own, e-mail a request to email@example.com. Remember, the 2.0% is a maximum. The amount could be lower for three years after PERA experiences a negative investment return.