Having decided what secondary sources you will use, you now need to decide whether you elect to use any primary sources for obtaining data. This will involve setting up targeted research to answer the questions that you need answered. Note that this research will be carried out in-house by the market research department, but will be quite expensive. Select an option from the choices below and click Submit.
1- Use in-house year purchase history data from the past 10 years, which contains consumer profiles.
2- Don’t use any secondary sources—you prefer to use primary sources that target exactly the data you want.
3- Use an online commercial database that contains 15 years of eSports industry sales analysis and market profiles.

Use in-house year purchase history data from the past 10 years, which contains consumer profiles. ( 1 )

Explanation:

using an in-house database base as seen in this option the use of in-house year purchase history data from the past 10 years which contains consumer profiles will cost you less because the information you seek is already available in the consumer profiles so there would be no need conducting external surveys/research  on consumers which would be a secondary source of data.

Other options listed like using an online commercial database that contains 15 years of e sports industry sales analysis and market profiles might as well provide the required information but this will be surely cost more than using in-house sources.( primary source )

enlightenment impacted society by introducing the idea that mankind could use reason to discover the laws of the world and the rights of mankind. these ideals affected all factions of society, from politics to religion.

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