SIC and NAICS codes for fast food restaurants

      1. What are the SIC and NAICS codes for fast food restaurants and for bars? 2. What percent of households in Dallas County have an income over $200,000 per year? 3. What are the demographics (age and income) of the people most likely to eat out at restaurants at least once a week? 4. What is the average number of times students eat out in a restaurant? Give the global figure. 5. On average do people in Dallas or Austin have the longer commute to work? 6. You are thinking of opening a chain of small kiosks in every major United States airport and want to target the largest airport first. What are the five busiest airports in the U.S? 7. What is the population of Edinburgh, Scotland? 8. In which region (Northeast, Midwest, South or West) do families spend the most on reading materials like books, magazines, and newspapers?