Clarify the intention

• Are you asking about their annual revenue?
• Do you want me to focus on the US or International market?

Start making a few assumptions and share your roadmap

• I'm going to use the US revenue to estimate the global ones. (Assumption: US revenue is approximately half of the total revenue.)

Do a bottom up analysis

• Find the smallest pricing unit: happy meals retail for $5; adult retail for $7
• Find the volume per hour: ~50-80 orders per hour
• Note the peak hours: While the store is open 24/7, the peak hour is 8AM~ 8PM
• Calculate the daily revenue of a store: $6 (average meals) * 80 (pick the max orders to compensate for the quiet hours) * 12 (peak hours) = $5,760
• Calculate the annual revenue: $5,760 * 365 (days) = ~$2M
• Assume that there are 1 store per city, 250 cities in each state (California has ~500 cities, NYC has ~60 cities), and 50 states
• Total annual revenue in US: $2M * 250 * 50 = $25B
• Total annual revenue in the world: $25B * 2 = $50B (of all franchises)

<aside> 🗣 Fact Check: McDonald's annual revenue is $21.08B ~$25B ⇒ not bad!

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