U 2 offered seating for $35 for their 2001 Elevation Tour and sold out every performance.

U 2 offered seating for $35 for their 2001 Elevation Tour and sold out every performance. They again sold out every performance for their 2005 Vertigo Tour, even though they charged an average ticket price of $96.94. Assuming that $35 and $96.94 were equilibrium prices, Can you explain (illustrate) briefly with the correct terminology, what happened between their 2001 Elevation Tour and their 2005 Vertigo Tour. If you don't have access to a scanner to scan a drawing, just explaining will suffice.