$5$b$)$ Consider the following message:

$5$

EXAMS MAKE ME QUEASY

Each symbol occurs the following number of times in the message:

$\begin{array}{cc}\text{C}\text{h}\text{a}\text{r}\text{a}\text{c}\text{t}\text{e}\text{r}& \text{F}\text{r}\text{e}\text{q}\text{u}\text{e}\text{n}\text{c}\text{y}\\ A& 3\\ E& 4\\ K& 1\\ M& 3\\ Q& 1\\ S& 2\\ U& 1\\ x& 1\\ Y& 1\\ ?& 3\end{array}$

Build a Huffman Coding tree using the character frequencies that are given. You may continue your work on the next blank page.