A firm has a perpetual preffered stock that pays semi-annual dividends of $4.50. Its current price is $73.00. What is the rate of return and the effective annual rate? A.) r=12.33 EAR=12.07 B.) r=11.59 EAR=12.71 C.) r=13.22 EAR=12.72 D.) r=12.33 EAR=12.71 E.) r=12.33 EAR=13.22