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

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

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

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

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