Answer:
A noun clause is a type of dependent clause that acts as a noun in the sentence.
An adverbial clause is a type of dependent clause that acts as an adverb in the sentence.
An dependent clause relies on the information from an independent clause to form a complete, logical thought.
An independent clause can stand alone in a sentence.
It's between A and B but I find that B is the most logical answer
It is useful to have your bank account and routing numbers when using tax preparation software because it helps A. To indicate where tax refunds should be sent.
Tax preparation software is computer software that can help individuals during the filing of their tax returns and accounts preparations.
The system is automated and charges some amount of money to have the individual's details uploaded electronically.
It is important to have one's bank account and routing numbers handy when using the tax preparation software because it helps the authorities to easily locate the individual's preferred destination for tax refunds.
So, option A is right.
Learn more about Tax Preparation software here:
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