Figure 3-5 -At Present, Faculty in the Economics Department Teach Introductory and Teach

Multiple Choice

Figure 3-5
-At present, faculty in the Economics Department teach introductory and upper-level courses.Which graph in Figure 3-5 represents the change in the production possibilities of the Economics Department after a policy of using graduate students in addition to faculty to teach introductory sections was implemented?

A) 1
B) 2
C) 3
D) 4