Suppose in its 2017 annual report that McDonald's Corporation reports beginning total assets of $22.80 billion, ending total assets of $17.20 billion, net sales of $23.80 billion, and net income of $4.80 billion. (a) Compute McDonald's return on assets. (Round return on assets to 2 decimal places, eg. 5.12%.) McDonald's return on assets (b) Compute McDonald's asset turnover. (Round asset turnover to 2 decimal places, eg. 5.12.) McDonald's asset turnover times