Write Down ( Without Solving ) the Dual LP Problem $$p = 5 a + 4 b$$

Essay

Write down ( without solving ) the dual LP problem.

Minimize $$p = 5 a + 4 b$$ subject to
$$\left\{ \begin{array} { c } a + b \geq 8 \\5 a + b \geq 20 \\a \geq 0 , b \geq 0\end{array} \right\}$$
What is the dual problem in matrix form