The Table Below Shows That, in One Day, Claire Can

The table below shows that, in one day, Claire can complete either 3 chemistry or 2 biology lab reports, while Sam can complete either 4 chemistry or 3 biology lab reports. $$\begin{array}{l}\begin{array} { | l | l | l | } \hline & \text { Chemistry L ab Reports } & \text { Biology Lab Reports } \\\hline \text { Claire } & 3 & 2 \\\hline \text { Sam } & 4 & 3 \\\hline\end{array}\\\text { TABLE 1- } 2\end{array}$$
-Refer to Table 1- 2. What is Sam's opportunity cost of completing 1 chemistry lab report?

A) 3 of a biology lab report
B) 4 of a biology lab report
C) 3 of a biology lab report 4
D) 2 of a biology lab report 3
E) 4 of a biology lab report 3