Calculate the number of establishments per 1,000 people. Which Zip code area has the best investment potential? Explain why. Show all calculations. (5 points) There are three types of data that can be used for real estate market studies based on their source, i.e., how they are collected. What are they? Give examples and briefly discuss advantages and disadvantages of each.(5 points) 3. Calculate the number of establishments per 1,000 people. Which Zip code area has the best investment potential? Explain why. Show all calculations. (5 points) There are three types of data that can be used for real estate market studies based on their source, i.e., how they are collected. What are they? Give examples and briefly discuss advantages and disadvantages of each.(5 points) 3