Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to write a professional mailing address on an envelope [title] Use a person's name. [step] No matter where the letter is going, it's best to address it to a person, if possible. Figure out who would be the most appropriate person for the letter to find.

Ending1: That will probably be the person you're writing the letter to. [substeps] Children, teens and adults should be addressed using the person's full name, if possible. Ending2: A professional mailing address is usually better-see next. [substeps] For example, you may write something like, " dear mr. Ending3: If you can't find a person's name, consider using a department, such as the hr department. [substeps] Do your research to find out who you should send it to. Ending4: Try these tips to find whom you should address your letter to : [substeps] Form the person's name into the upper right-hand corner: first, go down and below the next line " address: treasurer. " under the second line, write " form treasurer.

Answer format: ending1/ending2/ending3/ending4