| 摘要 |
The present invention relates to a vending machine, and more particularly, to a vending machine comprising: a currency insertion slot for the insertion of a specific currency; a currency return slot; an input unit which receives, from a user, a user input for selecting an product; a product outlet which discharges the product selected by the user; and a production competition module which determines the ranking of products by considering the sales records of products for a predetermined period of time, and controls the components of the vending machine such that the user can be provided with a benefit corresponding to the ranking of the product selected by the user. |
