Pharoah Company has five employees participating in its defined benefit pension plan, Expected years of future service for these employees at the beginning of 2020 are as follows. On January 1, 2020, the company amended its pension plan, increasing its projected beneft obligatian by $79.920 Compute the amount of prior service cost amortization for the years 2020 through 2025 using the years-of service method, setting up appropriate schedules