Given the following data, what is the stock's expected growth rate according to the Gordon model?

Dividend per share just paid: $$4\mathrm{.}5$

Current market price: $$40$

Required rate of return: $\mathrm{.}15$

Assume the stock is priced in equilibrium.

Select one:

a$.\mathrm{.}0337$

b$.\mathrm{.}0412$

c$.\mathrm{.}0553$

d$.\mathrm{.}0612$