Email Rewriting Tone level

If 5 represents a very friendly and casual tone, and 1 represents a very formal and professional tone, rewrite this at level . Ensure the tone adjustment maintains the email's intent, clarity, and professionalism.

Using a tone calibration scale from 1 to 10, where 1 represents a highly casual tone akin to an email to a close friend, and 10 denotes an extremely formal tone filled with corporate jargon, please evaluate the tone of this email.

Follow-up with

Now turn the email into a level {4}