Answer:
The contribution margin is 531 972
Explanation:
Computation of contribution margin
The contribution margin is revenues - Variable costs
Sales  Revenue  ( 2 111 * 628)                           1 325 708
Variable manufacturing costs ( 2 111 * 352) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 743 072
Variable Selling and Administrative costs ( 2 111 * 24) Â Â Â Â Â Â Â Â Â 50 664
Contribution Margin                                    531 972
All costs of a fixed nature in manufacturing or selling and administrative expenses are not considered in determining the contribution margin