The new need curve (D2) now shows that in the old equilibrium cost at place Z, the amount demanded is actually Q3. At this similar rate the quantity demanded prior to the shift was at Qb. As the diagram reveals There's now excessive provided, surplus supply as at this cost. https://bookmarkindexing.com/story12694742/the-ultimate-guide-to-paper%E4%BB%A3%E5%86%99