Calculate the return on equity $($ROE$)$ for both companies. For Raytheon, use "Net income attributable to common shareowner and "Total equity" to calculate the ratio. For Northrop Grumman, use "Net earnings" and "Total shareholders' equity". Which company delivers a higher return to shareholders based on ROE?

Calculate the return on assets $($ROA$)$ for both companies. Which company delivers a higher return to shareholders based on ROA?

Explain how a company can have a slightly higher ROA than its competitor, but a much higher ROE.