A firm's stock has a required return of $10\%.$ The stock's dividend yield is $6\%.$ What dividend did the firm just pay if the current stock price is $$40?$

Multiple Choice

$$2\mathrm{.}50$

$$2\mathrm{.}31$

$$2\mathrm{.}87$

$$3\mathrm{.}60$

$$2\mathrm{.}18$