About the CASE $27$ Nucor Corporation in $2018$: Contending with the Challenges of Low$-$Cost Foreign Imports and Launching Initiatives to Grow Sales and Market Share, Please, Assess Nucor$$s financial performance during the period $2013-2017$ with a complete ratio analysis. How strong is its financial condition entering $2018.$ Please, support your response showing your calculus $($Ratios$)$