Answer:
Gatty Corporation
1. Segmented Income Statement for the most recent month
Division                                         East        Central       West       Total
Sales                                       $422,000 $650,000 $580,000  $1,652,000
Variable expenses                   227,880    169,000    232,000       628,880
Contribution margin               $194,120  $481,000  $348,000    $1,023,120
Traceable fixed expenses   $268,000 $320,000   $191,000         779,000
Common fixed expenses                                                                  346,000
Net operating income (loss) $(73,880)  $161,000   $157,000       $(101,880)
2. Assuming these estimates are accurate and implemented, the company's net operating loss of $101,880 will decrease by $69,600 to $32,280.
Explanation:
a) Data and Calculations:
GATTY Corporation
Recent monthly contribution format income statement: 
Sales                                    $1,652,000 
Variable expenses                  628,880 
Contribution margin              1,023,120 
Fixed expenses                     1,125,000 
Net operating income (loss) $(101,880) 
Segmented Income Statement for the most recent month
Division                                                             East           Central     West 
Sales                                                            $422,000 $650,000 $580,000 
Variable expenses as a percentage of sales     54%           26%          40% 
Traceable fixed expenses                         $268,000 $320,000   $191,000 
1. Segmented Income Statement for the most recent month
Division                                         East        Central       West       Total
Sales                                       $422,000 $650,000 $580,000  $1,652,000
Variable expenses                   227,880    169,000    232,000       628,880
Contribution margin               $194,120  $481,000  $348,000    $1,023,120
Traceable fixed expenses   $268,000 $320,000   $191,000         779,000
Common fixed expenses                                                                  346,000
Net operating income (loss) $(73,880)  $161,000   $157,000       $(101,880)
Segmented Income Statement for the most recent month
Division                                         East        Central       West       Total
Sales                                       $422,000 $650,000 $678,600   $1,750,600
Variable expenses                   227,880    169,000    232,000       628,880
Contribution margin               $194,120  $481,000  $446,600     $1,121,720
Traceable fixed expenses   $268,000 $320,000  $220,000       808,000
Common fixed expenses                                                                 346,000
Net operating income (loss) $(73,880)   $161,000 $226,600      $(32,280)
$(101,880)
$(32,280)
 $69,600