1. From the AD-AS model you learned how AD could change due the change in C, I, G, X and M. Please write one example event that could change the AD and explain what would happen to the national equilibrium price and GDP, and draw the graphs (without changing SRAS and LRAS). Question 2. Choose any country in the world. Searching from the Internet, calculate the selected country's economic growth rate by real GDP and real GDP per capita between 2019 and 2020. Find out how long will this country take to double its GDP and GDP per capita