Given the Set of Constraints
$$\left\{ \begin{array} { c } 9 x + 6 y \leq 36 \\2 x + y \leq 7 \\x \geq 0 , y \geq 0\end{array} \right\}$$

Essay

Given the set of constraints
? $$\left\{ \begin{array} { c } 9 x + 6 y \leq 36 \\2 x + y \leq 7 \\x \geq 0 , y \geq 0\end{array} \right\}$$ ?
where does the maximum of $p = 3 x + 2 y$ occur at
?
Please enter your answer as an ordered pair, if there is more than one ordered pair, separate your answers with commas.