Choice "B" is correct. Use of electronic funds transfer for any funds transfer reduces the need for manual data entry, thus reducing the occurrence of data entry errors.
Choice "a" is incorrect. Use of electronic funds transfer is likely to result in a reduction of the paper audit trail surrounding cash receipts and disbursements.
Choice "c" is incorrect. Use of electronic funds transfer creates a need for more stringent access controls.
Choice "d" is incorrect. Use of electronic funds transfer does not affect company policy regarding storage of source documents (e.g., an accounts payable invoice) for cash transactions.