Tesla reports the following information in its 2016 annual report (in millions):

a. How much retirement benefits did former employees receive during the year?

b. How much did the company pay to former employees for retirement benefits during the year?

c. What rate did Teslas pension assets actually earn during 2016?

d. What average rate did Tesla use to calculate interest cost during 2016?

Change in benefit obligations Benefit obligation at January 1, 2016 Service cost Interest cost Plan participants' contributions Amendments Actuarial (gains) losses Benefits paid Curtailments, settlements and other Benefit obligation at December 31, 2016 Change in plan assets Fair value of plan assets at January 1, 2016 Actual return on plan assets Employer contributions Plan participants' contributions Benefits paid Exchange rate movements Settlements Fair value of plan assets at December 31, 2016 $82,110 298 2,837 7,661) (5,719) (385) $71,480 $68,085 2,107 128 (5,719) (435) $64,166