Consider the information: Sales Cost of goods sold Gross margin Operating expenses Net income Company A $ 80,000 48,000 32,000 9,600 $ 22,400 Company B $ 180,000 135,600 45,000 12,600 32,400 Company C $ 120,000 72,000 48,000 10,800 $37200 Company D $ 100,000 60,000 40,000 10,000 $30000 Based on common-sized income statements, which of the companies spent, relative to sales, the least on operating expenses? Multiple Choice Company A Company D Company c Company B