John Chong is an inexperienced entrepreneur in global business. He wants to sell his product, Zulu doll, a toy for kids below the age of eight, in every corner of the world. He wants to examine all potential markets but wants to keep his costs low. John has asked you to explain a few things about analyzing international markets. When screening a potential market, which of the following would you advise John to do first?a. assessment of the national business environmentb. selection of the marketc. identification of the basic appeal for marketsd. measurement of market potential