$($Click the icon to view the costs.$)$

Read the requirements.

$\backslash$table$[[\backslash$table$[[$Incremental Analysis$],[$Outsourcing Decision$]],$Make,$\backslash$table$[[$Buy $($Outsource$)],[$Bindings$]],$Difference$],[$Plus: Fixed Costs,,Variable Costs$],[$Total cost of $19,000$ bindings,,,$]]$

Decision:

Incremental Analysis

Outsourcing Decision

$($a$)$ Make

$($b$)$ Leave