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Operating Expenses | 12 Months Ended
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Dec. 31, 2022
Text block [abstract] |
Operating Expenses |
28. | Operating Expenses
Operating expenses for the years ended December 31, 2020, 2021 and 2022, are as follows:
( i n millions of Korean won) |  | 2020 |  |  | 2021 |  |  | 2022 |
Salaries and wages |  | ￦ | 4,123,680 |  |  | ￦ | 4,215,810 |  |  | ￦ | 4,495,885 |
Depreciation |  |  | 2,605,128 |  |  |  | 2,605,594 |  |  |  | 2,637,463 |
Depreciation of right-of-use assets |  |  | 404,175 |  |  |  | 398,716 |  |  |  | 396,214 |
Amortization of intangible assets |  |  | 624,982 |  |  |  | 603,327 |  |  |  | 622,202 |
Commissions |  |  | 965,461 |  |  |  | 1,125,944 |  |  |  | 1,295,434 |
Interconnection charges |  |  | 500,081 |  |  |  | 507,567 |  |  |  | 479,500 |
International interconnection fee |  |  | 172,529 |  |  |  | 192,008 |  |  |  | 186,253 |
Purchase of inventories |  |  | 3,681,801 |  |  |  | 3,753,792 |  |  |  | 3,656,040 |
Changes of inventories |  |  | 257,041 |  |  |  | 20,491 |  |  |  | (195,046 | )
Sales commission |  |  | 2,337,127 |  |  |  | 2,343,375 |  |  |  | 2,353,909 |
Service cost |  |  | 2,102,875 |  |  |  | 2,296,324 |  |  |  | 2,334,386 |
Utilities |  |  | 360,797 |  |  |  | 364,373 |  |  |  | 368,348 |
Taxes and dues |  |  | 283,197 |  |  |  | 268,651 |  |  |  | 276,962 |
Rent |  |  | 136,355 |  |  |  | 123,246 |  |  |  | 160,848 |
Insurance premium |  |  | 71,018 |  |  |  | 66,717 |  |  |  | 68,245 |
Installation fee |  |  | 132,117 |  |  |  | 154,542 |  |  |  | 150,140 |
Advertising expenses |  |  | 132,466 |  |  |  | 171,400 |  |  |  | 195,519 |
Research and development expenses |  |  | 156,940 |  |  |  | 168,969 |  |  |  | 174,936 |
Card service cost |  |  | 2,941,669 |  |  |  | 3,114,047 |  |  |  | 3,127,673 |
Loss on disposal of property and equipment |  |  | 75,879 |  |  |  | 71,417 |  |  |  | 81,415 |
Loss on disposal of intangible assets |  |  | 3,207 |  |  |  | 3,885 |  |  |  | 7,015 |
Loss on disposal of right-of-use assets |  |  | 7,844 |  |  |  | 11,457 |  |  |  | 2,348 |
Direct cost of government subsidies |  |  | 31,447 |  |  |  | 42,732 |  |  |  | 44,022 |
Loss on disposal of investments in subsidiaries |  |  | — |  |  |  | 13,727 |  |  |  | — |
Impairment loss on property and equipment |  |  | 79,775 |  |  |  | 2,115 |  |  |  | 16,094 |
Impairment loss on intangible assets |  |  | 211,637 |  |  |  | 3,747 |  |  |  | 30,965 |
Donations |  |  | 20,745 |  |  |  | 10,981 |  |  |  | 15,642 |
Other allowance for bad debts |  |  | 51,333 |  |  |  | 28,066 |  |  |  | 17,551 |
Others |  |  | 947,008 |  |  |  | 823,242 |  |  |  | 1,266,086 |
Total |  | ￦ | 23,418,314 |  |  | ￦ | 23,506,262 |  |  | ￦ | 24,266,049 |
Details of salaries and wages for the years ended December 31, 2020, 2021 and 2022, are as follows:
( i n millions of Korean won) |  | 2020 |  |  | 2021 |  |  | 2022 |
Short-term employee benefits |  | ￦ | 3,770,786 |  |  | ￦ | 3,837,359 |  |  | ￦ | 4,161,874 |
Post-employment benefits(Defined benefit plan) |  |  | 239,102 |  |  |  | 236,831 |  |  |  | 225,404 |
Post-employment benefits(Defined contribution plan) |  |  | 61,912 |  |  |  | 71,068 |  |  |  | 72,576 |
Share-based payment |  |  | 28,604 |  |  |  | 47,415 |  |  |  | 16,799 |
Others |  |  | 23,276 |  |  |  | 23,137 |  |  |  | 19,232 |
Total |  | ￦ | 4,123,680 |  |  | ￦ | 4,215,810 |  |  | ￦ | 4,495,885 |

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