4. [30 pts] In each of the following scenarios, explain the changes in either supply or demand that would result. If the initial equilibrium price were yet to change, indicate whether a surplus or a shortage would result. Given this, what do you expect will subsequently happen to the price of the good? 4.1. [5 pts] In the market for paper: New advances in recycling technology reduce the cost of producing paper made from recycled materials. 4.2. [5 pts] In the market for lightbulbs: Recently General Electric, one of the largest suppliers of light bulbs, decided to discontinue producing light bulbs. 4.3. [5 pts] In the market for Las Vegas hotels: A mass shooting in Las Vegas causes tourists to cancel their hotel room reservations. 4.4. [5 pts] In the market for air travel in Canada: Ten American airline companies enter the Canadian market and start operating domestic flights in Canada. 4.5. [5 pts] In the market for public transportation in Canada: The federal government makes public transportation free across Canada. 4.6. [5 pts] In the market for labour in Canada: The unemployment rate in the U.S. increases by 100%