Retail Sales and Wholesale Sales are the only divisions of Terra Company. The following information was gathered for the two divisions for the current year Retail Division $ 6,800,000 Wholesale Division $3,300,000 Operating income Operating assets $36,800,000 $16,800,000 The company has $1,800,000 in operating assets that are not assigned to either of the divisions and $280,000 in corporate expenses that are not reflected in the information above. Based on this information, what is the ROI for the company as a whole? 17.73% 38.12% 18.84% The answer cannot be determined using the information provided