Refer to the Information Provided in Table 2 -Refer to Table 2

Refer to the information provided in Table 2.1 below to answer the following question(s) .
Table 2.1
$$\begin{array} { | c | c | c | } \hline & \text { Krystal } & \text { Mark } \\\hline \text { Writing Poerss } & 8 & 12 \\\hline \text { Writing TV Cornnercials } & 2 & 4 \\\hline\end{array}$$
-Refer to Table 2.1. For Krystal, the opportunity cost of writing four TV commercials is ________ poems.

A) 2
B) 8
C) 16
D) 32