Consider the following income statement of Apple Inc. for the year 2023:

Item	Amount ($)	Percentage of Sales (%)
Sales	2,000,000
Cost of Goods Sold	1,200,000
Gross Profit	800,000
Selling Expenses	200,000
Administrative Expenses	100,000
Income Before Taxes	500,000
Income Tax Expense	150,000
Net Income	350,000

Requirements:

1. Perform a vertical analysis by calculating the percentage of each item relative to sales.
2. Determine which expense has the highest percentage of sales.
3. Analyze the Gross Profit Margin percentage.
4. Evaluate the effectiveness of cost management.
5. Calculate the Operating Profit Margin percentage.