I only need help with the 2017 Rate or Return on common stockholder's equity.

Problems 6-10 Determining profitability (L06-4) Nucor Corporation produces steel and steel products at its eight mills and is a major recycler of scrap metal. The following data relate to Nucor for four years. In 2017, Nucor's net income was higher by $175.2 million because of a one-time effect of the Tax Cuts and Jobs Act. Nucor Corporation ($ in millions) Total assets Common stockholders' equity Total debt Sales Net income Interest expense Assumed marginal income tax rate 2015 $14,327.0 7,849.9 4,388.5 2016 $15, 223.5 8,254.7 4,357.1 16, 208.1 900.4 169.2 0.37 2017 $15, 841.3 9,084.8 3,795.1 20,252.4 1,380.6 173.6 0.37 2018 $17,920.6 10,202.0 4,291.1 25,067.3 2,481.1 135.5 9.23 Source: Nucor Form 10-Ks for 2015-2018. Required: In the following analyses, eliminate the one-time net income effect of the Tax Cuts and Jobs Act on 2017's results. 1. Calculate Nucor's ROA for 2016, 2017, and 2018. 2. Decompose ROA into operating profit margin and asset turnover components. 3. Has Nucor's profitability changed over the three years? 4. Calculate the rate of return on common stockholders' equity for 2016, 2017, and 2018. Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Calculate the rate of return on common stockholders' equity for 2016, 2017, and 2018. (Do not round intermediate calculations. Round your answers to 2 decimal places.) 2016 2017 Rate of return on common stockholders' equity 2018 25.73 11.18 % 15.92 x % % (Required 3 Required 4