A convertible preferred stock has a par value of $100 per share with a stated dividend of 10%. Each preferred share can be converted into 5 common shares at the option of the investor and it is sold at par. The annual dividend per share for a preferred share is the conversion price of the preferred stock is ; and the investor should consider converting into common stock when the common stock price per share is $20; $10; greater than $10 O $10: $20; greater than $20 o $10; $20; equal to $19 o $10; $20; less than $20