1. Amazon.com, Inc. reported the following income statement figures for the year ended December 31, 2023:
   • Net Sales: $120,000,000
   • Cost of Goods Sold: $70,000,000
   • Operating Expenses: $40,000,000
   • Other Income: $8,000,000
   • Interest Expense: $3,000,000
   • Income Tax Expense: $15,000,000
   • Net Income: $20,000,000

a. Calculate Amazon.com, Inc.'s Gross Profit Margin and Operating Profit Margin. b. Determine Amazon.com, Inc.'s Return on Assets (ROA) and Return on Equity (ROE). c. Discuss how changes in Amazon.com, Inc.'s operating expenses could impact its profitability ratios. d. Analyze the effective tax rate of Amazon.com, Inc. and its implications for shareholders. e. Evaluate Amazon.com, Inc.'s earnings per share (EPS) based on the provided net income and number of outstanding shares.