Identify the correctly written compound sentences. Check all that apply.

Writing well will help you advance your career so proofread your documents carefully.

Every message an employee sends has the potential to impact the company's reputation, therefore it is important to communicate effectively at work.

Poor grammar in written messages undermines your professional image; use correct grammar in your workplace correspondence.

A job applicant's professional credibility is influenced by the clarity and accuracy of the language in the applicant's cover letter; therefore, cover letters should be carefully crafted.