The following chart summarizes the differences between the four retirement plans.

Retirement Plan Basis Multiplier COLA Readjustment Bonus
Final Pay Final basic pay  2.5% per year CPI    
High-36 Average of highest 36 months of basic pay 2.5% per year CPI    
CBS/REDUX Average of highest 36 months of basic pay        
Disability Either Final Pay or High-36 as appropriate