Pfizer Inc.
 Data for the year ended December 31, 2023:

Item	Amount
Total Assets	$2,200,000,000
Total Liabilities	$1,600,000,000
Shareholders' Equity	$600,000,000
Revenue	$1,200,000,000
Operating Expenses	$700,000,000

Requirements:

1. Calculate Pfizer's debt-to-equity ratio.
2. Determine Pfizer's net profit margin.
3. Analyze the impact of total assets on Pfizer's financial leverage.
4. Discuss how Pfizer recognizes revenue from pharmaceutical sales.
5. Evaluate Pfizer's financial health using the interest coverage ratio.
6. Explain the role of the Income Measurement Objective in Pfizer’s financial management and strategic decisions.