I need help in these questions. I have only 30 minutes, please do them correctly and 100%

Question 31 5 pol What is the XYZ'S WACC If the firm is financed 48% by debt, 329 by common stock, and 20% by preferred stock? The component costs of capital are RdAT-59, Res= 14.4% Rps-94. O 8.8196 15.096 O 10.4 O 9.896 cannot be determined without the tax rate Question 33 Consider the normal probability distribution below. What is the probability contained within area EF? C AB D E H-20 - 20 1696 O 12.596 O 16.596 3296 32.596 Question 34 What is the internal rate of return on an investment with the following cash flows? Year 0 1 2. 3 Cash Flow -$125,000 36,400 52,900 48,000 30.35 percent O 10.12 percent 36.61 percent O 12.20 percent O 4.64 percent