Verizon Communications Inc. Financial Summary for 2023:

• Total Revenue: $130 billion
• Cost of Goods Sold: $80 billion
• Operating Expenses: $30 billion
• Interest Expense: $7 billion
• Tax Expense: $8 billion
• Total Assets: $250 billion
• Total Liabilities: $120 billion

1. Calculate the operating profit margin.
2. Determine the net profit margin.
3. Compute the times interest earned (TIE) ratio.
4. Calculate the equity multiplier.