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Other Income and Expense

12 Months Ended

Dec. 31, 2018

40.

Other Income and Expense

(1)

Other income for the years ended December 31, 2016, 2017 and 2018 are as follows:


		2016		2017		2018
		In millions of won
Reversal of other provisions	￦		22,034		35,265		12,700
Reversal of other allowance for doubtful accounts			5,489		2,166		143
Gains on government grants			111		430		482
Gains on assets contributed			12,254		4,218		17,336
Gains on liabilities exempted			1,959		3,166		10,303
Compensation and reparations revenue			114,530		89,196		89,901
Revenue from research contracts			13,143		12,580		6,818
Income related to transfer of assets from customers			427,297		478,973		594,548
Rental income			211,580		192,136		186,631
Others			31,787		50,988		51,032

	￦		840,184		869,118		969,894

(2)

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


		2016		2017		2018
		In millions of won
Refund of claim for rectification	￦		8,722		9,655		8,933
Adjustment of research project			4,148		3,884		2,267
Maintenance expenses on lease building			354		135		176
Training expenses			4,478		3,045		3,220
Deposit redemption			991		34		7
Reversal of expenses on litigation			893		360		753
Revenue on royalty fee			2,486		2,888		6,909
Reimbursement of insurance fee			—		1,498		7,145
Gains on guarantee contracts			2,796		456		39
Others			6,919		29,033		21,583

	￦		31,787		50,988		51,032

(3)

Other expense for the years ended December 31, 2016, 2017 and 2018 are as follows:


		2016		2017		2018
		In millions of won
Compensation and indemnification expense	￦		—		37		23,437
Accretion expenses of other provisions			4,556		7,535		41,924
Depreciation expenses on investment properties			678		1,176		923
Depreciation expenses on idle assets			6,639		6,644		6,547
Other bad debt expense			4,585		1,778		17,827
Donations			114,094		119,421		63,743
Others			58,072		43,464		76,929

	￦		188,624		180,055		231,330

(4)

Details of others of other expense for the years ended December 31, 2016, 2017 and 2018 are as follows:


		2016		2017		2018
		In millions of won
Operating expenses related to the idle assets	￦		459		136		47
Research grants			1,461		1,180		461
Supporting expenses on farming and fishing village			15,201		11,956		13,537
Operating expenses on fitness center			2,706		3,498		4,788
Expenses on adjustment of research and development grants			—		806		404
Taxes and dues			4,582		2,270		199
Expenses on R&D supporting			690		5,459		53
Others(*)			32,973		18,159		57,440

	￦		58,072		43,464		76,929

(*)	Others include ￦38,886 million of impairment loss on construction-in-progress of Cheonji unit 1 and 2 and Daejin unit 1 and 2 as described in note 2.