Assumption	Current valuation	Previous valuation
Mortality improvements:	Fully generational using CPM Improvement Scale B	Fully generational using CPM Improvement Scale B
Termination rates:	None	None
Disability rates:	None	None
Eligible spouse at retirement:	80%	80%
Spousal age difference:	Male 3 years older	Male 3 years older

The assumptions are best-estimate with the exception that the discount rate includes a margin for adverse deviations, as shown below.

Age and Service Related Tables

Members are assumed to retire in accordance with the following rates:

• 50% of members retire at the later of age 55 and 30 years of continuous service

• 10% of remaining members retire each year thereafter

• 100% of remaining members retire at age 65