Arbuckle Inc. has offered this data for 20142018 : - EBIT: mean $9,894, std dev $2,735 - Operating Margin: mean 36.50%, std dev 4.62% - Net Income: mean $5484, std dev $673 - Net Margin: mean 6.12%, std dev 0.32% They also offer this data for 2017&2018 : - \% Sales 2017-2018: 5.84\% - \% EBIT 2017-2018: 7.66\% - \% Net Income 2017-2018: 6.22\% Calculate Arbuckle's degree of operating leverage (DOL). Report the figure as a decimal to four decimal places