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Classification of Expenses By Nature | 12 Months Ended
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Dec. 31, 2023
Expenses by nature [abstract] |
Classification of Expenses By Nature | Classification of Expenses by Nature Details of classification of expenses by nature for the years ended December 31, 2023, 2022 and 2021 are as follows:
| 2023 |  | 2022 |  | 2021
| (In millions of Korean won)
Advertising expenses | ₩ | 13,661 |  |  | ₩ | 29,898 |  |  | ₩ | 35,948 |
Fees and commissions | 472,324 |  |  | 259,024 |  |  | 215,613 |
Lease expenses | 1,292 |  |  | 1,179 |  |  | 1,125 |
Outsourcing expenses | 13,053 |  |  | 11,415 |  |  | 12,997 |
Salaries | 44,339 |  |  | 40,315 |  |  | 35,532 |
Expenses related to defined contribution and benefit plans | 2,505 |  |  | 2,255 |  |  | 2,090 |
Employee benefits | 4,256 |  |  | 3,895 |  |  | 3,390 |
Depreciation | 5,252 |  |  | 5,145 |  |  | 4,570 |
Amortization | 2,406 |  |  | 1,917 |  |  | 1,748 |
Other expenses | 5,422 |  |  | 3,733 |  |  | 3,361 |
Total | ₩ | 564,510 |  |  | ₩ | 358,776 |  |  | ₩ | 316,374 |
Total expenses consist of cost of sales, selling, general and administrative expenses and research and development.

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