My Mortgage Calculator program worked fine, until I added more functions. I added new fields for the new functions and changed my calculations for a calculate button, but it does not work. The rest of the program is fine. I commented out my else if exit command, because that would close my program when I hit the calculate button.

Code:
import java.awt.*;
	import java.awt.event.*;
	import javax.swing.*;
	import java.text.DecimalFormat;
...