Table 2-A -Refer to Table 2-A

Multiple Choice

Table 2-A
$\begin{array} { c c c } \text { Possibility A } & \text { Econamics } & \text { History } \\\text { I } & 94 & 76 \\\text { II } & 87 & 84 \\\text { III } & 77 & 9 !\end{array}$
-Refer to Table 2-A.A student has only a few hours to prepare for two different exams tomorrow morning.The above table shows alternative possible exam outcomes with three alternative uses of the student's time.The opportunity cost of scoring an 84 on the history exam rather than 76 is:

A) 10 points on the economics exam.
B) 7 points on the economics exam.
C) 8 points on the history exam.
D) 12 points on the economics exam.
E) 94 points on the economics exam.