Answer:Please see answers in explanation column
Step-by-step explanation:
Cost per service year = obligation From benefit / Total years of service
Total years of service= 3+4+5+6+6=24
Cost per service year =$87,120/24 =$3,630
Year Jim Paul Nancy Dave Kathy Total × Cost Amortization
2020 1 1 1 1 1 5 × $3,630 $18, 150
2021 1 1 1 1 1 5 × $3,630$ $18, 150
2022 1 1 1 1 1 5 × $3,630 $18, 150
2023 1 1 1 1 4 × $3,630 $14, 520
2024 1 1 1 3 × $3,630 $10,890
2025 1 1 2 × $3,630 $7,260
Total $87,120.