Brief Exercise 10-8 For the year ending December 31, 2017, Cobb Company accumulates the following data for the Plastics Division which it operates as an investment center: contribution margin-$716,020 budget, $724,336 actual; controllable fixed costs-$301,900 budget, $304,300 actual. Average operating assets for the year were $1,972,000. Prepare a responsibility report for the Plastics Division beginning with contribution margin. (Round R0I to 1 decimal place, e.g. 1.5.) COBB COMPANY Plastics Division Responsibility Report For the Year Ended December 31, 2017 Difference Favorable Unfavorable Neither Favorable nor Unfavorable Actual Budget $ $ $ $