Final answer:
Workplace letters are used to make inquiries, make a complaint, or market services or a product. These letters are a form of formal correspondence and can be used to communicate professionally and achieve desired outcomes.
Step-by-step explanation:
Workplace letters are used to make inquiries, make a complaint, or market services or a product. These letters are a form of formal correspondence and are often sent to companies, politicians, and institutions. For example, a business letter can be used to write to a local congressman to voice concerns about school funding, request a refund for a faulty product, or inquire about a job opening. Business letters are an effective way to communicate professionally and can help achieve desired outcomes.