Vocabulary (correct noun): Choose the word that correctly completes the postal context “What is the ______ for an air letter?” Select the term that fits standard postal usage.

Given data

• Topic: Postal charges for sending an air letter.

Concept/Approach
The standard word for the amount charged to send mail is postage.

Option analysis
postage — correct: fee for mailing items.fare — cost of travel/transport of people, not mail.value — vague; not the fee.stamp — a label indicating paid postage, not the amount itself.

Final Answer
postage