Refer to the Information Provided in Table 3 -Refer to Table 3

Refer to the information provided in Table 3.1 below to answer the question(s) that follow.
Table 3.1
$$\begin{array} { | c | c | c | } \hline \text { Price per Pizza } & \begin{array} { c } \text { Quantity Demanded } \\\text { (Pizzas per Month) }\end{array} & \begin{array} { c } \text { Quantity Supplied } \\\text { (Pizzas per Month) }\end{array} \\\hline \$ 3 & 1,200 & 600 \\\hline 6 & 1,000 & 700 \\\hline 9 & 800 & 800 \\\hline 12 & 600 & 900 \\\hline 15 & 400 & 1,000 \\\hline\end{array}$$
-Refer to Table 3.1. In this market there will be an excess supply of 300 pizzas at a price of

A) $6.
B) $9.
C) $12.
D) $15.