Members of the board of directors of Security Alarms have received the following operating income data for the year ended May $31,2024$:

${?}^1($Click the icon to view the operating income data.$)$

administrative expenses by $$10,000.$

Read the requirements ${?}^2.$

Requirement $1.$ Prepare a differential analysis to show whether Security Alarms should drop the industrial systems product line. $($Use parentheses or a minus sign to enter decreases to profits.$)$

or a minus sign for an operating loss.$)$

Requirement $3.$ What have you learned from the comparison in Requirement $2?$

The operating income difference calculated on the total analysis of dropping a product line $(6)$

result as the longer approach in Requirement $2$ that compares total operating income under the two alternatives.