The loan balance is the principle amount outstanding on the loan at any given time. Which of the following statements are true?

	1.	The loan balance at the end of a fully amortized loan is zero (0).
	2.	The loan balance at the end of a partially amortized loan is zero (0).
	3.	The loan balance at the end of an "interest only" loan is zero (0).
	4.	The loan balance at the end of year one for a negatively amortized loan is zero (0).