3(Multiple Choice Worth 1 points) (01.01 MC) Joseph borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The expression below shows the charges Joseph paid for the book when he returned it x days after the due date: 2 + 0.25x What does the coefficient of the expression represent? O The fixed rental for the book O The total late fee for the book The late fee per day for the book O The number of days the book was overdue