How did you know it's for the year ended 31 December 2021

about Samsung's statement of changes in equity. a. Identify and state Samsung's total comprehensive income for the period. KRW (Korean Won) 22 128.205 billion or US$20 659.327 million for the year ended 31 December 2012. b. Identify and state Samsung's profit for the period. KRW 23 845.285 billion or US$22 262.426 million for the year ended 31 December 2012. C. Explain why Samsung's total comprehensive income and expense differ from its profit. The differences arise due to items of revenue and expenses that are taken directly to equity, as permitted by certain accounting standards. These items include: Re-measurement effect of employee benefits - KRW(504.120) billion