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![Going-out-of-business signs are displayed in the window of a store at the Euljiro underground shopping center in central Seoul. According to research by the Korea Federation of Micro Enterprise, more than eight out of 10 merchants suffered decline in sales due to the coronavirus pandemic. [YONHAP]](https://image.koreajoongangdaily.com/10065781.jpg?imageId=10065781&width=240&height=184&format=webp&format=jpg)