The following income statement data (in millions) for dunn inc. and heston company were taken from their recent annual reports: 1 dunn heston 2 net sales $63,000.00 $115,000.00 3 cost of goods sold (expense) (46,300.00) (92,400.00) 4 operating expenses (9,400.00) (39,400.00) 5 operating income (loss) $7,300.00 $(16,800.00) required: a. prepare a vertical analysis of the income statement for dunn. round percentages to one decimal place. (note: use a minus sign to indicate a net loss.) b. prepare a vertical analysis of the income statement for heston. round percentages to one decimal place. (note: use a minus sign to indicate a net loss.) c. based on (a) and (b), how does dunn compare to heston?