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Santander 1/2/3 student account - financial details query.

So Santander are asking me about my financial details in the form of:

What is your monthly net income (£s)?316Do you have any other income such as a benefit or pension?No

Outgoings
What is your total monthly outgoings (£s)316

Your New Account
How much will you be paying into your new account each month (£s)????

These are my answers which is just my maintenance loan of 3.8k divided by 12 and then assuming i use all my money. I have no idea how I will pay into it each month unless it means the student loan company again? It also only says current account not student account so I want to make sure it's the right thing?