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 wholesale division operating income $ 7,400,000 $ 3,900,000 operating assets $ 37,400,000 $ 17,400,000 the company has $2,400,000 in operating assets that are not assigned to either of the divisions and $340,000 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?