For the year ending December 31, 2020, Cobb Company accumulates the following data for the Plastics Division which it operates as an investment center: contribution margin-$652,320 budget. $660,967 actual; controllable fixed costs-$301,500 budget, $304,300 actual. Average operating assets for the year were $1,949,000. Prepare a responsibility report for the Plastics Division beginning with contribution margin for the year ending December 31, 2020. (Round ROI to 1 decimal place, e.g. 1.5%.) Budget COBB COMPANY Plastics Division Responsibility Report For the Year Ended December 31, 2020 Actual %