A watch company is running an experiment to see how involvement influences persuasion. The company gathered 500 consumers and asked them to watch a commercial for the company's new line of smartwatches. The company told some consumers that the new line will be launched in a foreign country but told the other consumers that the new line will be launched domestically. Moreover, the company designed two versions of the commercial, one featuring a famous football player and the other featuring a generic office worker. The consumers saw only one version of the commercial, after which they were asked to indicate how appealing the new smartwatches are.Based on the above information, answer the following three questions: What is (are) the independent variable(s) of this experiment?

• (A) Where the new smartwatches will be launched
• (B) Who is featured in the commercial
• (C) The watch company
• Both (A) and (B)
• (A), (B), and (C)