The following information relates to Chester Company:Sales revenue$ $12,000,000$Contribution margin$4,800,000$Net Income$800,000$Chester's operating leverage factor is closest to:Multiple Choice$0\mathrm{.}067\mathrm{.}0\mathrm{.}167\mathrm{.}0\mathrm{.}400\mathrm{.}2\mathrm{.}500\mathrm{.}6\mathrm{.}000.$