December 11, 2017 19:58 Updated Follow The PERF Hybrid plan offers a guaranteed defined lifetime monthly benefit. Related articles What is the Disability Retirement for TRF? What is PERF? What is the Straight Life retirement benefit option? Do you have a video that shows the difference between the PERF Hybrid and My Choice plans for employees of political subdivisions? What is the investment objective of the Consolidated Defined Benefit Assets (CDBA)?