2. The following chart show the relationship between GDP growth (on horizontal axis) and the change in the rate of unemployment (vertical axis) for the USA using the average response over the period 1961-2013. US (1961-2013) 6 y=-0.3768x + 1.2298 R-0.641 2009 O NA -26 9 -10 a) At what rate does the USA have to grow for there to be no change in the unemployment rate? What does this rate of growth mean? b) Assume the USA experiences al decline in GDP of 3% in 2020 due to the coronavirus effect. Calculate the predicted change in the unemployment rate. Give reasons why this might occur