Answer:
Cost of equity from retained earning is 11.84 %
Step-by-step explanation:
We have given dividend

Price at the beginning

Growth rate g = 8 %
We have to find the cost of equity from retained earning
Now dividend at the end of year
= $0.80×1.08 = 0.864
We know that cost of equity is given by
So cost of equity from retained earning is 11.84 %