Write a 1,050- to 1,400-word paper in which you complete the following: Research and describe the internal and external environments of 2 to 3 real-world companies using an environmental scan. Determine what competitive advantages each company has and what strategies each company is using. How does each company create value and sustain competitive advantage through business strategy? What measurement guidelines is each company using to verify its strategic effectiveness? How effective are the measurement guidelines that each company is using?