"Pacific Chemicals is a constant growth company last dividend $($D$0,$ which was paid yesterday$)$ was $$2\mathrm{.}00$ and dividend is expected to grow indefinitely at a $4\%$ rate.

$(2)$ What is the firm's expected dividend stream over the next $3$ years?

$(3)$ What is its current stock price?

$(6)$ Now assume that the stock is currently selling at $$40\mathrm{.}00.$ What is its expected rate of return?