Answer:
a. Â Â Â Â Â Â Â Â Â Â Â Make IMC2 Â Â Â Buy IMC2 Â Â Â Â Â N.I. Increase/(Decrease)
Direct Materials     $63.96                          $63.96
Direct Labor        $41.72                           $41.72
Material handling   $7.50                           $7.50
Variable Overhead  $71.40                           $71.40
Purchase Price                 $250.00             -$250.00
Total Unit Cost      $184.58    $250.00             -$65.42 Â
Workings: Variable Overhead  = ($126.5 - $7.5) x 60% = $71.40
b. No, Innova should not purchase the component from the outside vendor if Innova's capacity remains idle.