excel formula please

Delta Lighting has 24,500 shares of common stock outstanding at a market price of $19 a share. The firm also has a bond issue outstanding with a total face value of $250,000 which is selling for 94 percent of par. The treasury bill rate is 3% and the market return is 7%. the aftertax cost of debt is 5.8 percent. The firm has a beta of 1.33 and a tax rate of 23 percent. What is the WACC using SML? The company also pays dividend at $1.68 per share. The dividend is expected to grow by 5%. What is the WACC using the DGM