| 摘要 |
<p>The present invention relates to a vending machine, more specifically a vending machine that includes: a money deposit opening, into which a particular currency may be deposited; a money return opening; an input part configured to receive a user input from a user for product selection; a product dispenser opening configured to dispense a product selected by the user; and a product competition module configured to determine a ranking of products in consideration of a sales record of products during a predetermined period, and configured to perform a control to offer a benefit in correspondence to a ranking of the product selected by the user.</p> |
