Which of the following is not a compulsory part of a business letter?a.Salutationb.Closec.Attention lined.Body

To determine which option is not a compulsory part of a business letter, let's examine each component:

1. Salutation: This is typically a greeting at the beginning of the letter, such as "Dear [Name]." It is generally considered essential in business correspondence.

2. Close: This is the concluding remark, such as "Sincerely" or "Best regards," followed by the sender's name. It is also a crucial part of a formal business letter.

3. Attention Line: This is used to direct the letter to a specific person or department, often placed above the salutation. While helpful, it is not mandatory in every business letter.

4. Body: This contains the main content of the letter and is certainly required in any business communication.

Final Answer

The option that is not a compulsory part of a business letter is c. Attention line.