Johnson & Johnson presented the following income statement details for the year ended December 31, 2023:

Item	Amount (in millions)
Sales	$103,484
Cost of Sales	$34,709
Gross Profit	$68,775
Operating Expenses	$42,381
Operating Income	$26,394
Interest Expense	$1,083
Income Before Taxes	$25,311
Income Tax Expense	$5,612
Net Income	$19,699

1. Calculate Johnson & Johnson's gross profit margin. b. Determine the operating income margin for Johnson & Johnson. c. Discuss the impact of Johnson & Johnson's operating expenses on its profitability. d. Analyze the net income trend.