4.1. Is a reply to the letter of complaint. The Letter of Apology should be courteous, even if the complainant has abused you. You should be truthful – if you have already been having trouble with the ...

Some variations for better understanding: some variations of complimentary closes for different types of business letters: 1/ For formal letters, you can use options like Yours sincerely ...

Many online resources offer free or paid templates for different types of business letters, such as sales letters, complaint letters, inquiry letters, etc. You can also create your own templates ...