28. (Evaluating profitability) The Malia Corporation had sales in 2015 of $65 million, total assets of $42 million, and total liabilities of $20 million. The interest rate on the company's debt is 6 percent and its tax rate is 30 percent. The operating profit margin was 12 percent. What were the company's operating income and net income? What was the operating retum on assets and return on equity? Assume that interest must be paid on all of the debt. The operating income was $ (Round to the nearest dollar.) The net income was $ (Round to the nearest dollar.) The operating return on assets was %. (Round to one decimal place.) The return on equity was %. (Round to one decimal place.)