결산이 · 결산을
settlement of accounts, closing of the books; final accounts
Example
연말에는 한 해 동안의 예산을 결산해야 합니다.
At year-end, we have to settle the accounts for the year's budget.
Word parts
결 settle+산 calculate
Literally 'settle the calculations'.
Good to know
예산 is the plan before spending; 결산 is the final reckoning afterward.
Related words