Your company is financed 30% with a risk less debt with a yield of 6% and 70% with equity with a cost of 14%. The corporate tax rate is 30%. 1. What is the companies WACC at its existing capital structure? 2. What would be the new WACC if it changes to being 40% debt financed? Security C has a standard deviation of 10%. Security D has a standard deviation of 20%. The correlation of assurance is .7 1. what is the covariance between the two securities? 2. What is the standard deviation of a two-security portfolio invested 40% in security C and 60% in Security D