Tri-State Electric is a profitable utility company that has increased its dividend to common stockholders every year for 42 consecutive years. which of the following least likely to affect the market price if the company's preferred stock by a significant amount

A. a decrease in long-term interest rate
B. an increase in long term interest rate
C. the board directors announces its intention to incresase common stock dividends in the current year
D. whether or not the preferred stock carries a conversion privilege