Answer:
Accept
Explanation:
The computation of the combined total net income is shown below:
             Normal Volume          Additional Volume               Total
Sales    $2,250,000                  $180,000                          	$2,430,000
                                                     (15,000 × $12)
Costs and expenses:    
Direct materials $300,000           $30,000                         $330,000
Direct labor  $600,000                   $60,000                         $660,000
Overhead     $150,000                    $22,500                          $172,500
                                                    ($150,000 × 15%)
Selling expenses	$225,000                                            $225,000
Administrative expenses $385,500	$64,500                          $450,000
Total costs and expenses	$1,660,500	$177,000          $1,837,500
Incremental income (loss) from new business $589,500	$3,000	$592,500  
Therefore, the company should accept the offer