Maxwell Industries recently reported the following information:

Net income$ 400,000

ROA8%

Interest expense$ 200,000

Accounts payable and accruals$1,000,000

Maxwell's tax rate is 30%. Maxwell finances with only debt and common equity, so it has no preferred stock. 40% of its total invested capital is debt, and 60% of its total invested capital is common equity. Calculate its operating return on assets (OROA), its return on equity (ROE), and its return on invested capital (ROIC).