Dan Received His Bank Statement on Monday

Dan received his bank statement on Monday.On the following Friday,he noticed an omitted electronic transfer and called the bank informing it of the error.The bank:

A) must investigate and report to Dan within ten business days.
B) if it discovers an error, must recredit Dan's account, including interest, within one business day.
C) if it finds no error, must give Dan a full, written explanation within three business days of so finding.
D) if it cannot complete its investigation within ten business days, must provisionally credit Dan's account, including interest, pending the termination of its investigation, which must be completed within 45 calendar days.
E) All of the above.