When the stock price is $20$ and the present value of dividends is $2,$ which of the following is the recommended way of constructing a tree?

$$ Draw a tree with an initial stock price of $18$ and add the present value of future dividends at each node

Draw a tree for an initial stock price of $22$ and subtract the present value of future dividends at each node

Draw a tree for an initial stock price of $20$ and subtract the present value of f$$d dive dividends at each node

$$ Draw a tree with an initial stock price of $18$ and add $2$ at each node