Which of the following SCAN functions can return the product name from the variable SiteProduct? A sample value of SiteProduct appears below. The product name in this value is Fixture Base.
	S45/34.78/NW/Fixture Base

	scan(siteproduct,4)
	scan(siteproduct,4,'/')
	scan(siteproduct,4,'/. ')
	scan(siteproduct,5)