Question 1 McDonald's, a big burger joint, is charging $6 for its very famous Big Mac hamburger and selling around 20 million Big Mac in a year in Australia. a. Suppose McDonald's increases the price of its Big Mac to $6.50. Consequently, quantity sold of the Big Mac falls to 17 million. How much revenue will McDonald's gain? What can you infer about the price elasticity of demand (PED) for McDonald's Big Mac? Assume in an alternative scenario, the increase in the price of Big Mac to $ 6.5 reduces its quantity sold to 19 million. How much revenue will McDonald's gain now? What can you conclude about the PED now? (4 Marks)