Brief Exercise 17-7 (Algo) Changes in pension plan assets [LO17-4] Pension plan assets were $1,400 million at the beginning of the year and $1,488 million at the end of the year. At the end of the year, retiree benefits paid by the trustee were $32 million and cash invested in the pension fund was $36 million. What was the percentage rate of return on plan assets? Rate of return on assets %