be opened by Excel . 30 points j ) Does not provides an event handler to handle the Compute button click and another handler will be needed to produce the file described above when the window is closed . The latter handler is an object of an inner class that extends the WindowAdapter class . 0 points a ) All methods are class ( static ) methods . a ) All methods are not class ( static ) methods . b ) Contains three public methods . b ) Does not contain three public methods . c ) Contains computeIterative method that accepts a value of n and returns the corresponding element in the sequence using iteration . c ) Does not contain the computeIterative method that accepts a value of n and returns the corresponding element in the sequence using iteration . d ) Contains method computeRecursive that accepts a value of n and returns the corresponding element in the sequence using recursion . d ) Does not contain the computeRecursive method that accepts a value of n and returns the corresponding element in the sequence using recursion . e ) The computeRecurvise method will initialize the efficiency counter before calling the private recursive method that will actually perform the recursive computation . e ) The computeRecurvise method does not initialize the efficiency counter before calling the private recursive method that will actually perform the recursive computation . f ) The getEfficiency method returns the