Need help with Stock Valuation Problems and the steps to get the answer. Thanks

Preferred Stock Price and Return

A firm has preferred stock outstanding with a $1,000 par value and a $40 annual dividend with no maturity. If the required rate of return is 9%, what is the price of the preferred stock?

The market price of a firm's preferred stock is $24 and pays an annual dividend of $2.50. If the stock's par value is $1,000 and it has no maturity, what is the return on the preferred stock?

Constant-Growth Common Stock

What is the value of a common stock id the firm