A Standard Cover Letter in Response to Inquiry is a formal letter sent in response to a request for more information about a product, service, or company. This type of letter typically includes the sender's contact information, a brief introduction, information about the product/service/company, and a conclusion. The main purpose of a Standard Cover Letter in Response to Inquiry is to provide the recipient with enough information to make a decision about whether to purchase the product/service/company. The letter should be concise and to the point, providing enough detail to satisfy the recipient's inquiry. There are two types of Standard Cover Letters in Response to Inquiry: general response and customized response. A general response letter is a generic letter that is sent in response to a generic inquiry. A customized response letter is tailored to the specific request from the recipient. In either case, the letter should include the sender's contact information, a brief introduction, information about the product/service/company, and a conclusion. The letter should also include any relevant attachments, such as brochures, catalogs, or product samples.