If an affine cipher with key values $a=5$ and $b=8$ is applied, what would be the encrypted text of the plaintext "I LOVE NETWORKS"? Show all your work.

$\backslash$table$[[A,B,C,D,E,F,G,H,$I,$J,K,L,M$

Please solve it step by step I want to understand and don't Copy from past solutions. don't use Chatgpt. I want $100\%$ correct answer