how to solve it with formula , not excel

4) Coolibah Holdings is expected to pay dividends of $1.20 every six months for the next three years. If the current price of Coolibah stock is $22.60, and Coolibah's equity cost of capital is 18%, what price would you expect Coolibah's stock to sell for at the end of three years? A) $28.87 B) $31.76 C) $33.20 D) $34 64