(a) Consider the data in Table 7.3 below. What is the natural rate of unemployment in each of these years? Explain your answer. Table 7.3: Labor Market Statistics Separation rate Finding rate Labor force (m) 2001 0.3% 4.4% 143.8 2005 0.3% 4.4% 142.3 2010 0.2% 3.5% 153.9 2015 0.3% 4.0% 153.] (b) According to payscale.com, the average salary for a 20152016 graduating Economics major is $52,100, whereas the average Accounting major will make $46,900. Suppose you graduate when you are 22 and will retire when you are 67. Assuming your wages do not grow over time, ignoring ination, and we discount the future at 3.0 percent, what would be the present value of the lifetime income for each major? What would probably change these values \"in real life\