December 26, 2018 15:01 Updated Follow If you buy service credit, that added service will increase your monthly pension benefit amount. Read more here. Related articles How do I decide if I want to buy extra service credit? How much does service credit cost? What do these changes with the International Equity Fund mean for me? I’m retiring from my PERF-covered position at the end of the month. My employer has agreed to re-hire me in the same job after 30 days. Is this legal? What is my Defined Contribution account?