1. Prepare a differential analysis to show whether Security First should drop the industrial systems product line. 2. Prepare contribution margin income statements to show Security First's total operating income under the two alternatives: (a) with the industrial systems line and (b) without the line. Compare the difference between the two alternatives' income numbers to your answer to Requirement 1. Security First Income Statement For the Year Ended May 31, 2024 Security First Contribution Margin Income Statement For the Year Ended May 31, 2024