Answer:
Hello your question lacks the required spreadsheet attached below is a spreadsheet and the completely filled spreadsheet
Explanation:
Amortization = 140,000 / 20 = 7000
average service life = 20
The missing amounts are
service cost = $104
gain on PBO = $28
prior service cost = $0
expected return on plant assets = $ 46.40
loss on assets = $16
cash funding = $88
retirees benefits = $50
prior service cost = $14
interest cost = $42