Assume That the Advocate's Proposal for Change Relative to the Problem

Assume that the advocate's proposal for change relative to the problem described in the example above is:
I. All teachers with five years or less seniority and all teachers seeking employment in the public school system will be required to pass a basic competency examination in academic subjects and basic skills.
II. The Department of Education with the approval and assistance of the National Education Association and the American Federation of Teachers will design and administer competency tests.
III. A reasonable fee, not to exceed the cost of designing, administering, and processing the test, will be charged to each applicant for certification.
IV. Those teachers presently in the school system with less than five years seniority must pass the test or face revocation of their teaching licenses. New teachers will not receive teaching licenses until they have passed the test.
-In the example above, the mechanism is found in which part of the proposal?

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