Which one of the following statements concerning the required rate of return on stocks is true?The higher an investor's required rate of return, the higher the value of the stock.If risk is reduced; the required rate of return will decrease because more inventors are risk adverse.The required rte on preferred stock is generally higher than the required return on common stock.The higher the risk, the higher the required return, other things being equal.What is the yield to maturity of a bond that pays a 5% coupon rate with annual coupon payments, has a par value of $1,000, matures in 15 years, and is currently selling for $769?