Figure 4-31 Consider the market for 2-packs of light bulbs b…

Figure 4-31 Consider the market for 2-packs of light bulbs below. ​ ​ Refer to Figure 4-31. What are the values of the equilibrium price and quantity?  At a price of $3, is there a shortage or surplus, and how large of a shortage/surplus? At a price of $6, is there a shortage or surplus, and how large of a shortage/surplus? Suppose there is an improvement in technology in this market and the price of lamps, a complementary good, increases. What changes do you predict in the equilibrium price and quantity?