Answer the following questions about Juniper Corporation. Note: Their corporate tax rate is 30%. a. What is the weighted average cost of capital of Juniper Corporation if they have the following sources of funds and corresponding required rates of return: $6 million common stock at 10%, $700,000 preferred stock at 7%, and $5 million debt at 5%. (4 marks) b. When is it appropriate for a firm to use the WACC? When might the WACC not be an appropriate rate of return estimate? (2 marks) o e 9 (hp)