Answer:
$163 million
Step-by-step explanation:
The computation of service cost is shown below:-
Service cost = Projected benefit obligation - December 31 - Projected benefit obligation January 1 - Interest cost (340 × 10%) + benefit payment to retiree Dec 31
= $480 million - $340 million - $34 million + $57 million
= $537 million - $374 million
= $163 million
Therefore for computing the service for we simply applied the above formula.