(Non-Empirical):A regression of average weekly earnings (AWE, measured in dollars) on age (measured in years) using random sample of college-educated full-time workers aged 25-65 yields the following:=696.7+9.6 ,2=0.023, =624.1. a.Explain what the coefficient values 696.7 and 9.6 mean. b. The standard error of the regression (SER) is 624.1. What are the units of measurement for the SER? (Dollars? Years? Or is SER unit free?) c.The regression What are the units of measurement for the R2 (Dollars? Years? 2 0.023.2Or is unit free?)2 d. What does the regression predict will be the earnings for a 25-year-old worker? For a 45-year-old worker? e. The average age in this sample if 41.6 years. What is the average value of AWE in the sample