9:24 . docs.google.com A sales letter is a letter prepared by the Company or producer Customer or recipient Both company and customer Neither the company nor the customer When writing a complaint letter, you need to avoid: Insulting your reader using intimidating and aggressive tone Being rational Mentioning the product's model number Mentioning the date of purchasing the product or service In a bad newsletter, the "No" should be stated explicitly in the introductory paragraph. True False