The May sales of three domestic department stores showed that the proportion of luxury brands exceeded an average of 40%, strengthening the 'K' shape polarization consumption pattern. The demand for luxury goods increased due to the increase in foreign tourists visiting Korea and the weakening of the won, and luxury jewelry recorded a high growth rate in the 60% range. On the other hand, large marts are showing a slowdown in growth. Consumers are increasingly tending to spend actively on areas they consider important and minimize costs in areas they do not.