To learn about writing processes for many types of correspondence, including business letters, e-mails, and memos, check out Writing Guides at Colorado State University’s online writing center, Writing@CSU. Writing in Business provides guides for your e-mails, letters, memos, and more. Review the instruction and examples for types of letters. Given the types discussed in this chapter—good news, bad news, and persuasive—into what category do these letters covered by Writing@CSU fall?

Adjustment letter Application letter Inquiry letter