i think its wrong. pls show steps by steps

Information regarding the defined benefit pension plan of Glavin Industries included the following for 2021($in millions): $210 150 30 Plan assets, January 1 Retiree benefits paid (end of year) Actual return on plan assets Employer contributions to the pension plan (end of year) Expected rate of return on plan assets 126 100 What was the amount of Glavin's plan assets at December 31, 2021? Multiple Choice $156 million $207 million $216 million