9. Costs and benefits of a college education Suppose the following graph shows the earnings trajectory of college educated workers (orange line) and of workers with only a high school diploma (blue line), through age 34 Use the grey quadrilateral (star symbols) to shade the area representing the direct costs or attending college for four years. Then use the purple quadrilateral (diamond symbol) to shade the area representing the opportunity cost of attending college for four years rather than entering the work force imediately after completing high school. Finally, use the green quadrilateral (trangle symbols) to shade the area representing the difference earnings between college graduates and high school graduates between the ages or 22 and 2 Hint: Be sure that the coordinates of the end points of the quadrilaterals are exactly the same as the coordinates of the areas they are to cover. Once the quadrilateralis in place, click on it to show the value of the shaded area Homework 2 100 College DO Direct Costs High School 20 o Opportunity cost $ $ 8 EARNINGS AND COST(Thousands of doras) o Benents 40 66 50 100 20 24 20 AGE (Years) 30 32 34 The previous graph shows that the benefit in earnings from going to college is s s while the total cost of going to college is it is difficult to measure nonmonetary benefits of various jobs, but students who want to maximize monetary benefits their own human capital want to invest in arch O