An education can be the key to higher earnings. In a U.S. Census Bureau study, high school graduates earned $30,400 per yea Associate's degree graduates averaged $38,200 per year. Bachelor's degree graduates averaged $52,200 per year. a. Assuming a 50-year work-life, calculate the lifetime earnings for a high school graduate, associate's degree graduate, and bachelor's degree graduate. Lifetime Earnings High school graduate Associate's degree graduate Bachelor's degree graduate b. What's the lifetime income difference between a high school and associate's degree? Difference c. What about the lifetime difference between a high school and bachelor's degree? Difference