WHAT WILL YOU DO WHEN YOUR CLIENT SHOUTS OR ARGUE ON YOU EVEN AFTER HIS/HER OWN MISTAKE?? PLEASE GIVE YOUR BEST PROFESSIONAL ANSWERS.

The best response is to tell them in a polite way,yes u r right but its going to be best for u if u follow the way ill prescribe

LISTEN TO HIM/HER AND TRY TO FIGURE OUT THINGS ,EXPLAIN YOU'RE PART AS WELL AND,DEAL WITH THEM  PROFESSIONALLY BECAUSE THE FACT IS SHE IS A CLIENT.