The projected benefit obligation was $440 million at the beginning of the year. Service cost for the year was $48 million. At the end of the year, pension benefits paid by the trustee were $25 million and there were no pension-related other comprehensive income accounts requiring amortization. The actuary's discount rate was 5%. The actual return on plan assets was $24 million although it was expected to be only $23 million.
What was the pension expense for the year?