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Finance Lesson 1 done.
You pulled a fourth quarter out of a 10-K, and computed gross margin, operating margin, growth, the services share and EPS from Apple's real filings. Next: what the market pays for those earnings.
What you're learning
US public companies file a 10-Q after each of their first three quarters and a 10-K for the full year. There's no 10-Q for the fourth quarter: you get it by subtracting the first three quarters from the year.
The income statement goes top to bottom: sales, minus the cost of making what was sold (gross margin), minus running the business (R&D, selling and admin) gives operating income, and after interest and taxes, net income. Margins divide each line by sales, so you can compare years and companies of any size.
All figures are from Apple's fiscal 2022 filings with the SEC (10-K and 10-Qs), in millions of dollars. Apple's fiscal year ended September 24, 2022. Educational content, not investment advice.