Crane Company has five employees participating in its defined benefit pension plan. Expected years of future service for these employees at the beginning of 2017 are as follows Employee Future Years of Service im Paul Nancy Dave Kathy 4 6 6 On January 1, 2017, the company amended its pension plan, increasing its projected benefit obligation by $83,520 Compute the amount of prior service cost amortization for the years 2017 through 2022 using the years-of-service method, setting up appropriate schedules. Year Annual Amortization 2017 2018 2019 2020 2021 2022