Answer:
Seb should check if all is records are accurate and he should include all the transactions.
Explanation:
When Seb reconciles his accounts, what is the first step he should take?
We can say that reconciling an account means proving that an account balance is correct.
For this, we need all the correct and accurate transactions and figures.
So, Seb should check if all is records are accurate and he should include all the transactions.