Each of the following events caused a shift in the AD or AS curve in Canada. Identify which curve was affected and describe the effect on equilibrium real GDP and the price level. The federal government made massivefinancial transfers to Canadians who lost their income during the COVID pandemic in 2020. World commodity prices increased sharply from 2002 to 2008. Many of these commodities are both produced in Canada and used as important inputs for Canadian firms. The end of the Cold War in 1990 led to large declines in defence spending in many countries (including Canada). Russia’s invasion of Ukraine in 2022 led to large increases in the world price of wheat that lasted for over a year. The federal government increased its level of government purchases (G) in 2009 and 2010, amid a global recession. The beginning of a strong recovery in the United States in 2022 led to a large increase in the demand for many Canadian exports. The world price of oil fell from U.S. $105 per barrel in June 2014 to U.S. $50 in February 2015. The uncertainty surrounding the COVID-19 pandemic led firms to reduce their desired investment in 2020. Many firms were forced to lay off their workers and shut down their operations during the COVID