Answer:
$677,000,000
Explanation:
Given that,
Service cost = $366
,000,000
Interest on P.B.O. = 737
,000,000
Return on plan assets = 593
,000,000
Amortization of prior service cost = 13
,000,000
Amortization of net loss = 154,000,000
Pension expense:
= Service cost + Interest on PBO - Return on plan assets + Amortization of prior service cost + Amortization of net loss
= $366,000,000 + $737,000,000 - $593,000,000 + $13,000,000 + $154,000,000
= $677,000,000
