The demand and supply functions for Penn State ice hockeyr jerseys are: p=d{x}=x2 lox+ 156 P=S{X}=5x2+2x+12 wherex is the number of hundreds of jerseys and p is the price in dollars. {3} Find the equilibrium quantity. Equilibrium quantity, ; = E , which corresponds to :jerseys. {b} Compute the total surplus at the equilibrium point. Total surplus = :I dollars The demand and supply functions for Penn State ice hockey jerseys are: p = d(x) = -x2 - 10x + 156 p = s(x) = 5x2 + 2x + 12 where x is the number of hundreds of jerseys and p is the price in dollars. (a) Find the equilibrium quantity. Equilibrium quantity, x = 4 , which corresponds to 400 jerseys. (b) Compute the total surplus at the equilibrium point. Total surplus = 693.33 X dollars