Suppose the other shoe stores are selling shoes that are not made well. but your shoes last a long time. soon, almost everyone in town is buying shoes from you. this encourages your competitors to the quality of their shoes.

a. maintain
b. reduce
c. improve

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)