17. Best Buy has a total of common fixed expenses of $155,520. In addition, it has two segments in the company: the television segment and the phone segment. The sales for the Television segment are $800,000, and the sales for the phone segment are $825,000. Regarding costs, the Television department has $305,300 in variable expenses and $135,600 in traceable fixed expenses, while the Phone department has $234,200 in variable expenses, and $102,500 in traceable fixed expenses. Please calculate the company's net operating income. a) 364,700 b) 501,300 c) 501,680 d) 691,880