Why is the correct answer A? Can someone solve this problem for me?

uIiple Choice Identify the choice that best completes the statement or answers the question. 1. An analyst has collected the following information regarding Christopher Co.: The company's capital structure is 70 percent equity, 30 percent debt .The yield to maturity on the company's bonds is 9 percent The company's year-end dividend is forecasted to be $0.80 a share. The company expects that its dividend will grow at a constant rate of 9 percent a year. The company's stock price is $25. The company's tax rate is 40 percent. The company anticipates that it will need to raise new common stock this year. Its investment bankers anticipate that the total flotation cost will equal 10 percent of the amount issued. Assume the company accounts for flotation costs by adjusting the cost of capital. Given this information, calculate the company's WACC. (3 points) a. b. C. d. e. 10.41% 12.56% 10.78% 13.55% 9.29%