- The preparation of the incremental analysis of Twilight hospital is presented below:
 
<u>Particulars      Retain scanner    Replace scanner    Net income </u>
Annual 
operating cost   $318,000            $243,000              $75,000
              ($106,000 × 3)                                        ($25,000 × 3)
New
scanner cost                                      $110,000        -$110,000
Old scanner salvage                          -$45,500        $45,500
Total                             $318,000      $307,500      $10,500
In this way, the incremental analysis should be prepared.
Learn more about the salvage value here: brainly.com/question/15711481