The third and last paragraph provides means to follow up your application. You can slightly review what you have previously mentioned in the letter to provide more emphasis. You can also provide means for contacting you in case you are considered in the next phase of the application process.
The first line of the body of an MLA_style paper for a student is the title of the essay or article, centered. For letter writers, the first line of the letter contains the words "Dear Mr. or Mrs./Ms./Miss and the recipient's first and last name. Afterward, letter writers can begin writing their letter to the recipient on the second line of text. Since MLA format is used for these letters, every line of the text is to be double_spaced (no single spacing). When letter writers conclude their letters, they should indent a line before signing their name. This is the general format of business letters, though there are other complex issues involved depending on the letter intent.