Triangle Tower Corp., a company reporting under IFRS, has a defined benefit pension plan. Pension information concerning the 2019 and 2020 fiscal years is presented below (in millions): Information provided by the pension plan actuary

Defined benefit obligation (DBO), December 31, 2019	$1,800
Past service cost (PSC) from a plan amendment made January 2, 2020	400
Current service costs (CSC) for 2020	520
2020 interest cost on DBO, based on 10% discount rate	180
2020 actuarial gain on DBO arising from a change in estimate	250
Benefits paid	0
Funding for the year	0

Information provided by the pension plan trustee

Fair value of plan assets, January 1, 2020	$1,600
Actual return on plan assets	224

What is the pension expense for the year ended December 31, 2020?

Question 11 options:

a)

$500

b)

$540

c)

$920

d)

$940