Answer:
The most appropriate answer is professionalism.
Step-by-step explanation:
The professionalism of an employee can be seen by the action he does in working, attire he wears at work, grammar usage in emails and letters written by him and many more other things.
A person who takes care of the action, attire, grammar usage, proofreading seems to be more professional as compared to the person who doesn't care about these things.
Hence the most appropriate answer is professionalism.