xercise $4$: find the required return $($R$)$ for a given share of a stock

assume the current price $(P0)=$$$11,$ initial dividend $(D0)=$$$2,$ dividend growth rate $(g)=2\%$ per year

What is the $R$ or required return?

$[D0\frac{1+g}{P}0]+g=$ or simplified it is equals to $(D\frac{1}{P}0)+g$

$R=$