A company has net sales of $825,000 and cost of goods sold of $547,000. Its net income is $98,500. The company's gross margin and operating expenses, respectively, are: O $645,500 and $179,500 O $209,000 and $191,470 O $278,000 and $98,500 O $278,000 and $179,500 O $179,500 and $98,500