Rhea is an employee at Diaz Inc. She specializes in graphic and web design, user interface design, and search engine optimization. She also knows how to interact with customers by asking them about their preferences and providing them with products that meet their needs. Which of the following statements is true about Rhea? A. She specializes in outsourcing. B. She is a part of the external labor market. C. She bases her work on the terms of a psychological contract. D. She is an on-call worker. E. She is a knowledge worker.

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications. you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)