A. Alfonso buys 3 burgers how much money does he have left over to spend on bus tickets and how many bus tickets is he able to buy, (show the workings in the video)? B. Give the two formulas given in the video to calculate the slope of the budget line C. Moving from point C to D on the budget line what does Alphonso lose and what does he gain? D. When the consumer moves from A to B what is the opportunity cost of the 4 tickets that they gain? E. On the production possibility curve when society moves from B to D what does society gain and what does society lose? F. Videos 2,3,4 : What are the 5 lessons from these videos