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There are a few things that the officer is looking for when they look at your bank statements:
So, if you mention in your employment letter that you have started your job 4 months ago with X salary and the same X salary is deposited in your new account, this is fine.
If you know that the balance and activities in your new account are not sufficient for the purposes of demonstrating your financial position, you can submit statements of your other accounts.
Keep in mind it is very common for people to have a savings account and a current (or salary) account. They often submit statements of both as proof of accessible funds; so the officers are used to seeing multiple bank statements from applicants.