Sugiki Corporation has two divisions: the Alpha Division and the Delta Division. The Alpha Division has sales of $836,000, variable expenses of $376,400, and traceable fixed expenses of $354,100. The Delta Division has sales of $470,000, variable expenses of $300,400, and traceable fixed expenses of $136,700. The total amount of common fixed expenses not traceable to the individual divisions is $99,100. What is the company's net operating income?:

$138,400

$39,300

$629,200

$530,100