Annual Big Mac Sales in the US

Requirements Clarification & Assessment

1. Objective Clarification:

   • The primary goal is to estimate the annual number of Big Macs sold by McDonald's across the United States.
   • The interviewer is interested in understanding the thought process rather than obtaining an exact number.

2. Data Points to Consider:

   • US Population: Approximately 300 million people.
   • McDonald's Revenue: Around $21 billion annually.
   • Big Mac Price: Average price of $3.99, with meal options around$5.99.
   • Number of McDonald's Locations: Approximately 13,000 to 16,000 locations in the US.
   • Consumer Behavior: Assumptions around the percentage of consumers purchasing Big Macs.

3. Assumptions to Make:

   • Proportion of McDonald's revenue attributed to Big Macs.
   • Average number of Big Macs sold per location.
   • Seasonality and regional variations in sales.

4. Constraints and Limitations:

   • Lack of precise data on Big Mac sales distribution.
   • Potential biases in assumptions about consumer behavior and preferences.
   • Variability in Big Mac pricing across different regions.