Question Completion Status: Moving to another question will save this response. uestion 15 Which of the following activities is classified as doing business for the purpose of intrastate business qualification? Owning or using real estate for general corporate purposes. Soliciting orders by mail that require acceptance outside the state. Selling products or services through independent contractors. Conducting an isolated transaction that is completed within 30 days. Moving to another question will save this response. MacBook Pro