Hi, may someone please help with these problems. And if possible, may you also show me how you work it out.–Thank you.1) You have been provided with the following data: D= $1.30; P= $42.50; and g = 7.00% (constant). What is the cost of equity from retained earnings based on the constant growth model?2) You have been provided with the following data: D= $1.30; P= $42.50; and g = 7.00% (constant). What is the cost of equity from retained earnings based on the constant growth model?3)