Calculate the following ratios below for years $2019,2018,2017.$ What is the takeaway from the date? EXHIBIT $3($continued$)$Gross Profit Margin: $($sales revenue$-$COGS$)/$ Sales revenue

Operating Profit Margin: operating income$/$ sales revenue

Net Return on Assets: $($profits after taxes$)/$ total assets

Long$-$term debt$-$to$-$capital ratio: long$-$term debt$/$long$-$term debt $+$stockholder equity

Debt$-$to$-$asset ratio: total debt$/$ total assets

Debt$-$to$-$equity Ratio: total debt$/$ total stockholder$$s equity

Times$-$interest$-$earned: operating income$/$ interest expenses

ROA: Profits after taxes$/$ total assets