Pension Data for Sewell Corporation Include the Following for the Current

Pension data for Sewell Corporation include the following for the current calendar year:
Discount rate, 8%
Expected return on plan assets, 10%
Actual return on plan assets, 12%
Required:
Assuming cash contributions were made at the end of the year, what was the amount of those contributions?
$\begin{array}{lr}\text { PBO, January 1 } & \$ 620,000,000 \\\text { Plan assets, January 1 } & 630,000,000 \\\text { Plan assets, December 31 } & 670,000,000 \\\text { Benefit payments to retirees, December 31 } & 55,000,000\end{array}$