Answer and Explanation:
The calculation of the residual income for each division is given below:
Target Income   Cameras & Camcorders Phones & Comm Computers & Acc.
Average Assets $20,600,000 Â Â Â Â $21,500,000 Â Â Â Â Â Â Â $16,600,000
Target Return         14%            14%                14%
Target Income     $2,884,000      $3,010,000          $2,324,000
Residual Income   Cameras & Camcorders Phones & Comm Computers & Acc.
Net Income        $6,800,000        $3,010,000      $1,100,000
Less: Target Income  $2,884,000      $3,010,000       $2,324,000
Residual Income    $3,916,000        $0             -$1,224,000