Service cost Is:

Multuple Chaice

Equal to the increase or decresse in the projected benefit obigation resulting from the intistion of a plan or an amandment to $8$ plan.

Calculated by multiplying the beginning balance of the profected benefin obigation by the interest rate

Calculated by multiphing the beginning balance in plan assets by the expected rate of return.

Equal to the increase in the profected benefit obligasion resulting from benefits earned by employess in the cumert penod.