Oswald Optical Corporation provides a full line of designer eyewear to consumers. Oswald reported the following information for 2018 and 2017: (Click the icon to view the table.) Compute return on assets (ROA) for 2018 and 2017. Using the DuPont model, identify the components and state whether each improved or worsened from 2017 to 2018. Select the formula, then enter the amounts to compute ROA using the DuPont model for 2018 and 2017. (Round component ratios to four decimal places. Enter your final answers as a percentage rounded to the nearest tenth of a percent, X.X%.) 2018 2017 Data table X X Return on assets (ROA) 2018 2017 Sales revenue Net income.. 500,000 $ 500,000 37,000 $ 38,750 Average total assets $ 200,000 $ 250,000 Print Done - % %