Problem 4 (20 points) ension data for Sewell Corporation indude the folbwing for the cument alendar year Discount rate, 8% Expected return on plan assets, 10% Actual return on plan assets, 12% PBO, January 1 Plan assets, January1 Plan assets, December 31 Benefit payments to retirees, December 31 $620,000,000 630,000,000 670,000000 55,000,000 Required Assuming cash contributions were made at the end of the year, what was the amount of those contributions