$[25$ marks$]$

$2$ Consider some text consisting of only $\text{'}A\text{'},\text{'}\text{'}$B$\text{'},\text{'}C\text{'},\text{'}D\text{'},$ and $\text{'}E\text{'}$ characters, and their frequencies are $15,7,6,6,5,$ respectively. Draw a Huffman code tree based on the following frequency of characters.

$($Pen and Paper Please$)$