In 2016, Natural Selection, a nationwide computer dating service, had $520 million of assets and $210 million of liabilities. Earnings before interest and taxes were $130 million, interest expense was $29 million, the tax rate was 40 percent, principal repayment requirements were $25 million, and annual dividends were 25 cents per share on 20 million shares outstanding. a. Calculate the following for Natural Selection: (Round your answers to 2 decimal places.) Liabilities-to-equity ratio Times-interest-earned ratio Times burden covered b. What percentage decline in earnings before interest and taxes could Natural Selection have sustained before failing to cover: (Round your answers to 1 decimal place.) % % Interest payment requirements ? Principal and interest requirements? Principal, interest, and common dividend payments? la