When considering the cost of roofing materials, many people take into account just the shingle prices. This is incorrect, as a roof made just of roofing shingles will not work. You also need to consider all the accessories that are included in a complete roof system.
Business letters tend to have both the sender and receiver's address and the date at the top of the page and they begin with a polite salutation, such as dear Mr. and Mrs, followed by a blank line before the body or the content of the letter.
Linda Alexander - 19 February 2003. Business letters have many purposes and recipients. Despite variations in tone and style, the basic parts of a business letter remain standard throughout most business correspondence. This article outlines the elements found in standard business letters today, in order, as well as their modern format.