Members of the board of directocs of Security Team have received the following operating income data for the year ended May 31,201 t. (Click the icon to view the opernting income data.) Read the reguirements: Data table Requirements 1. Prepare a differential analysis to show whether Security Team should drop the industrial systems product line. 2. Prepare contribution margin income statements to show Security Team'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 . 3. What have you learned from the comparison in Requirement 2