Other Operating Income and Expenses (Tables)

12 Months Ended

Dec. 31, 2018

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Details of other operating income and expenses

Details of other operating income and expenses for the years ended December 31, 2018, 2017 and 2016 are as follows:

(In millions of won)
	2018		2017		2016
Other Operating Income:
Gain on disposal of property and equipment and intangible assets	￦	38,933		13,991		6,908
Others(*)		33,017		18,006		59,640
	￦	71,950		31,997		66,548
Other Operating Expenses:
Communication	￦	35,507		27,973		31,196
Utilities		297,049		299,825		277,497
Taxes and dues		37,290		27,819		35,020
Repair		353,321		333,101		326,076
Research and development		387,675		395,276		344,787
Training		35,574		32,853		33,303
Bad debt for accounts receivable — trade		38,211		34,584		37,820
Travel		27,910		24,095		25,263
Supplies and other		130,008		111,170		113,930
Loss on disposal of property and equipment and intangible assets		87,257		60,086		63,797
Impairment loss on other investment securities		3,157		9,003		24,033
Impairment loss on property and equipment and intangible assets		255,839		54,946		24,506
Donations		59,012		112,634		96,633
Bad debt for accounts receivable — other		7,718		5,793		40,312
Others(*)		26,876		101,589		49,593
	￦	1,782,404		1,630,747		1,523,766

(*) See note 5 (2).