Retail Sales and Wholesale Sales are the only divisions of Terra Company. The following information was gathered for the two divisions for the curent year: Retail Division Wholesale Division Operating $ 6,500,000 $3,000,000 income Operating assets $36,500,000 $16,500,000 The company has $1,500,000 in operating assets that are not assigned to either of the divisions and $250,000 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?