Please answer question below.

Nevada, Inc. reported the following items in the 2020 pension footnote (in millions). Service cost $2,342 Benefits paid to retirees 372 Interest cost 1860 Actual returns on pension plan assets 2,408 Expected returns on pension plan assets 2,716 Amortization of deferred amounts 100 The company's pension expense for the year is: Select one: a. $1,894 million b. $1,694 million c. $1,586 million d. $1,214 million e. $2,726 million