Income Statement For the Year Ending on December $31($Millions of dollars$)$

$\backslash$table$[[,$Year $2,$Year $1],[$Net Sales,$3,175,2,500],[$Operating costs except depreciation and amortization,$1,610,1,495],[$Depreciation and amortization,$159,100],[$Total Operating Costs,$1,769,1,595],[$Operating Income $($or EBIT$),1,406,905],[$Less: Interest,$141,95],[$Earnings before taxes $($EBT$),1,265,810],[$Less: Taxes $(40\%),506,324],[$Net Income,$759,486]]$

Calculate the profitability ratios of Dernham Inc. in the following table. Convert all calculations to a percentage rounded to two decimal places.

$\backslash$table$[[$Ratio$,$Value$],[$Year $2,$Year $1],[$Operating margin,grad,$36\mathrm{.}20\%$