How do debit card transactions differ from credit card transactions in terms of funding and processing?

How do debit card transactions differ from credit card transactions in terms of funding and processing?

• A. Debit uses a line of credit; credit pulls funds from your bank.
• B. Debit pulls funds from your bank account at purchase; credit charges a separate line of credit and is paid later; processing and fees can differ.
• C. Debit pulls funds from your bank account at purchase; credit requires cash payments at the time of purchase.
• D. Debit transactions are processed instantly; credit transactions take longer.

Answer: (B)