Which of the Following Methods Returns a Value

Which of the following methods returns a value?

A) Method changeName(String lName, String fName)
LastName = lName
FirstName = fName
Display "The name has been changed to " + firstName + " " + lastName
End Method

B) Method displayInfo()
Display "Account #: " + acctNumber
Display "Account type: " + acctType
Display "Owner name: " + lastName + ", " + firstName
Display "Current balance: " + acctBal
End Method

C) Method withdraw(Numeric amt)
AcctBal = acctBal - amt
Display "The new balance is: $" + acctBal
End Method

D) Method inquire()
Return acctBal
End Method