BP plc reported the following financial information:

• Total assets: $284 billion
• Total liabilities: $186 billion
• Total equity: $98 billion
• Net income: $4.0 billion
• Total revenue: $305 billion
• Total expenses: $301 billion
• Earnings per share (EPS): $1.20
Calculate the Return on Assets (ROA) for BP plc for the fiscal year ending December 31, 20X3. ROA is a crucial financial metric that measures a company's ability to generate profits from its assets. It indicates how efficiently a company is utilizing its assets to generate earnings. Given the significant role of ROA in assessing operational efficiency, it is often closely monitored by investors and analysts. Utilizing the financial data provided by BP plc for the specified period:
• Net income: $4.0 billion
• Total assets: $284 billion Calculate the ROA by dividing net income by total assets and express the result as a percentage. Interpret the ROA value in terms of BP plc's efficiency in generating profits relative to its asset base.