The sources might contain research that would support the given assertion "The uniform jerseys will serve as inexpensive advertising” are an interview with a sponsor, a brochure that explains pricing from the uniform shop, a newspaper article, a brochure from a local advertising shop, and showing prices for other similar advertising projects, therefore all the given option are correct. Thus, option 5 is the correct option.
Advertising is the process and act of presenting the goods and services of an organization in order to spread information about the same among the people. The advertising, in turn, help the owners to make new clients and increase their business. The advertisements are meant to influence the customers to make them purchase those goods and services.
Since all the given options in the question help in research, therefore, option 5 is the correct option.
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