Total assets of Company C are $4 million and Sales are $1

Total assets of Company C are $4 million and Sales are $1.5 million for 2019 year. During the year end, the company makes a net income of $320,000 and its shareholders' equity of $600,000. Calculate ROE (Du-Pont Equation) of Company C. 

1(b) Morris Electronics' total assets for 2017 were $410 million and reported net income $40 million. What is the Exxon's ROA (Return on Asset) for 2019?

1(c) ABC had total net sales of $10 billion at the end of its fiscal year. Its total assets were $3 billion at the beginning of the fiscal year and $5 billion at the end. What is the Total Asset Turnover of the ABC?