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17 <br />Demographic and Other Assumptions <br />Mortality tables used in the actuarial valuation are table developed by <br />the Society of actuaries and deemed appropriate for the group. <br />Termination rates used in the actuarial valuation are based upon <br />national termination studies performed by the Society of Actuaries. They <br />were adjusted to reflect the recent lower termination rates experienced <br />by City of Lino Lakes. <br />Retirement rates used in the actuarial valuation were developed based <br />upon recent City of Lino Lakes experience. <br />The assumed prevalence of spouse or domestic partner coverage was based <br />on recent experience among City retirees. <br />Methods <br />The Projected Unit Credit actuarial and the Entry Age Normal cost <br />methods were both illustrated in this report. Both are common methods <br />used in the actuarial valuations of retiree medical liabilities. <br />The UAAL is amortized as a level dollar amount, consistent with GASB <br />requirements. The maximum amortization period allowed under GASB 45 is <br />30 years. <br />City of Lino Lakes Minnesota, Retiree Health Benefit Plan - November 2008 <br />