General Electric Company had the following information for the year 2023:

23. 
    
    • Total Assets: $180 billion
    • Total Liabilities: $100 billion
    • Shareholders' Equity: $80 billion Calculate: a) The debt-to-equity ratio. b) The return on assets (ROA) if the net income for the year is $10 billion. c) The current ratio if the current assets are $70 billion and the current liabilities are $40 billion.