Bluff County's schedule of changes in net pension liability and related ratios is shown below. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round percentage answers to 2 decimal places and other answers to nearest whole dollar.) Required Compute the missing amounts. BLUFF COUNTY EMPLOYEE RETIREMENT SYSTEM Schedule of Changes in the County's Net Pension Liability and Related Ratios Last Three Fiscal Years 2020 2019 2018 Total pension liability Service cost $ 123,225 $ 125,440 $ 127,950 Interest 182,580 169,960 (850) 625 (217,960) 1,250 (248,000) 66,205 2,083,715 75,590 1,927,550 $ $ 36,240 32,450 98,620 102,530 91,550 Differences between expected and actual experience Benefit payments (including refunds of employee contributions) Net change in total pension liability Total pension liability, beginning Total pension liability, ending Plan fiduciary net position Contributions-employee Contributions-employer Net investment income Benefit payments (including refunds of employee contributions) Administrative expenses Net change in plan fiduciary net position Plan fiduciary net position, beginning Plan fiduciary net position, ending Net pension liability, ending Plan fiduciary net position as a percentage of total pension liability Covered payroll Net pension liability as a percentage of covered payroll 18,990 (64,500) (3,290) (42,780) (3,110) 80,500 (21,510) (51,330) (2,840) 1,011,680 1,057,720 1,220,490 $ 929,430 % 54.62% 52.67% $ 489,810 185.09% 194.86%