South Korea's producer price inflation accelerated for the fourth straight month in July, preliminary data from Bank of Korea showed Tuesday.
Producer prices climbed 2.9 percent year-on-year in July, faster than June's 2.6 percent rise.
Price index for agricultural, forestry and marine products grew 4.3 percent annually in July and those of manufacturing products gained by 4.2 percent.
Meanwhile, prices for electric power, gas and water supply dropped 2.4 percent.
Month-on-month, producer prices increased 0.4 percent in July, after remaining flat in the preceding month.
The domestic supply price index rose 5.3 percent yearly and by 0.9 percent monthly in July.