b'City of Dover Tuscarawas County, Ohio Notes to the Basic Financial Statements For the Year Ended December 31, 2018 Changes between Measurement Date and Report Date In October 2018, the OPERS Board adopted a change in the investment return assumption, reducing it from 7.5 percent to 7.2 percent.This change will be effective for the 2018 valuation.The exact amount of the impact to the Citys net pension liability (asset) is not known.Actuarial AssumptionsOP&FOP&Fs total pension liability as of December 31, 2017, is based on the results of an actuarial valuation date of January 1, 2017, and rolled-forward using generally accepted actuarial procedures.The total pension liability is determined by OP&Fs actuaries in accordance with GASB Statement No. 67, as part of their annualvaluation.Actuarialvaluationsofanongoingplaninvolveestimatesofreportedamountsand assumptions about probability of occurrence of events far into the future.Examples include assumptions about future employment mortality, salary increases, disabilities, retirements and employment terminations.Actuarially determined amounts are subject to continual review and potential modifications, as actual results are compared with past expectations and new estimates are made about the future.Assumptions considered were:withdrawal rates, disability retirement, service retirement, DROP elections, mortality, percent married and forms of the payment, DROP interest rate, CPI-based COLA, investment returns, salary increases and payroll growth.Keymethodsandassumptionsusedinthelatestactuarialvaluation,reflectingexperiencestudyresults, prepared as of January 1, 2017, compared with January 1, 2016, are presented as follows:January 1, 2017 January 1, 2016Valuation Date January 1, 2017, with actuarial liabilities January 1, 2016, with actuarial liabilitiesrolled forward to December 31, 2017 rolled forward to December 31, 2016Actuarial Cost Method Entry Age Normal Entry Age NormalInvestment Rate of Return 8.0 percent 8.25 percent Projected Salary Increases 3.75 percent to 10.5 percent 4.25 percent to 11 percentPayroll Growth Inflation rate of 2.75 percent plus Inflation rate of 3.25 percent plusproductivity increase rate of 0.5 percent productivity increase rate of 0.5 percentCost-of-Living Adjustments 3.00 percent simple; 2.2 percent simple 3.00 percent simple; 2.6 percent simplefor increases based on the lesser of the for increases based on the lesser of theincrease in CPI and 3 percent increase in CPI and 3 percent For the January 1, 2017, valuation, mortality for non-disabled participants is based on the RP-2014 Total Employee and Healthy Annuitant Mortality Tables rolled back to 2006, adjusted according to the rates in the following table, and projected with the Conduent Modified 2016 Improvement Scale.Rates for surviving beneficiaries are adjusted by 120 percent.Age Police Fire67 or less 77 % 68 %68-77 105 8778 and up 115 120 For the January 1, 2017, valuation, mortality for disabled retirees is based on the RP-2014 Disabled Mortality Tables rolled back to 2006, adjusted according to the rates in the following table, and projected with the Conduent Modified 2016 Improvement Scale.- 64 65 -'