help i dont understand

Assume this is a partial list of financial highlights from a Best Buy annual report: Net sales Earnings before taxes Net earnings 2018 2017 (dollars in millions) $ 49,580 $ 42,675 2,471 1,403 1,558 1,011 Complete a horizontal and vertical analysis from the above information (Enter your answers in millions. Round the "percent" answers to the nearest hundredth percent.) Horizontal analysis 2017 Increase 2018 Percent Net sales Earnings before taxes Net earnings Vertical analysis 2018 2017 % % % % % %