carefully explain what is happening in the following markets. Indicate the impact if any on demand supply price. (a) In academic year 2020/21 the university mandates that all students must take Principles of Economics as a core requirement for the majors.Concurrently the university bookshop made their order for principles of economics textbook based on the number of resistered students in the last academic year (2019/2020) impact on supply impact on price impact on quantity impact on demand