The FI Corporation's dividends per share are expected to grow indefinitely by 7% per year. Required: a. If this year's year-end dividend is $10 and the market capitalization rate is 12% per year, what must the current stock price be according to the dividend discount model? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. If the expected earnings per share are $15, what is the implied value of the ROE on future investment opportunities? (Do not round intermediate calculations. Round your answer to 2 decimal places.)