Assume That the Advocate Has Offered the Following Arguments on Behalf

Multiple Choice

Assume that the advocate has offered the following arguments on behalf of the proposition: Our school should institute a system of textbook rentals for all courses.
I. The cost of college textbooks has increased by over 200% in the last decade.
II. A combination of the sale of used textbooks by university bookstores and the practice of "bundling" software and audio-video packages is responsible for the increasing costs of college textbooks.
III. Authors of college textbooks, such as the one you are using in this course, receive 10% in royalties on the wholesale price of each new textbook sold.
IV. College students, already paying increased tuition and housing fees, go further into debt to pay for increasingly expensive textbooks.
-Which claim in the example suggests effect?

A) I
B) II
C) III
D) IV