Meiji Isetan Corp. of Japan has two regional divisions with headquarters in Osaka and Yokohama. Selected data on the divisions follow (in millions of yen, denoted by ): Required: 1. For each division, compute the ROI in terms of margin and turnover. (Do not round intermediate calculations.) 2. Assume that the company evaluates performance by use of Rl and that the minimum required retum for any division is 15%. Compute the RI for each division