Rewrite the following sentences in a professional and formal manner without changing the meaning:

1. Sam was fuming when his friend refused to pay him.

2. The employee believed that her boss always had a beef with her during the time she worked for him.

3. You can catch me in my office from 9:00 a.m. to 5:00 p.m.

4. There were tons of complaints against her.

5. The court dealt a big blow to Ms. Wong when dismissing her case. 6. You can cancel your contract with no strings attached