$\quad\quad { Country ~Y }$ The Accompanying Table Gives Data for Country Y

Multiple Choice

$\quad\quad { Country ~Y }$
$\begin{array} { | c | c | c | } \hline Price & Q _ { \text {dd } } & Q _ { \text {sd } } \\\hline \$ 9.00 & 250 & 450 \\\hline 8.00 & 300 & 400 \\\hline 7.00 & 350 & 350 \\\hline 6.00 & 400 & 300 \\\hline\end{array}$
The accompanying table gives data for Country Y. Column 1 is the price of a product. Column 2 is the quantity demanded domestically $\left( Q _ { d d } \right)$ , and Column 3 is the quantity supplied domestically $\left( Q _ { s d } \right)$ . At what price will Country $Y$ export 100 units of the product?

A) $9.00
B) $8.00
C) $7.00
D) $6.00