C Please show all steps to solve and explain. Do not use excel. Thank you! Marble Corporation's ROE is 17\%. Their dividend payout ratio is 20%. The last dividend, just paid, was $2,58. Dividends are expected to grow by the company's sustainable growth rate indefinitely. a) What is the current value of Marble common stack if its required return is 18\%? b) If expected dividend is $3, your required rate of return of 18\%, you buy the stock at $50, what is the constant dividend growth rate