Zuds, a national manufacturer of lawn$-$mowing and snow$-$blowing equipment, segments its business according to customer type: professional and residential. The following divisional information was available for the past year: $($Click the icon to view the information.$)$ Read the requirements. Requirement $1.$ Calculate each division's ROI. Round all of your answers to four decimal places. Begin by selecting the formula to calculate return on investment $($ROI$),$ and then enter the amounts to calculate each division's ROI. $($Enter your answer as a percent rounded to two decimal places, X$.$XX$\%)$ Operating income $.$ Average total assets ROI Residential $66,640196,0000\mathrm{.}34\%$