a market value of $5.273 billion. a. Calculate the market value weights for BLK's capital structure. b. Calculate BLK's cost of equity using a beta of 1.38 , a risk-free rate of 0.69%, and a market risk premium of 5.80%. c. Calculate BLK's cost of debt using a bond price of $1,059.33, semi-annual coupon payment of $30.00, and 12 years to maturity. d. Calculate BLK's current WACC using a 21% corporate tax rate. a. The market value weight of long-term debt in BLK's capital structure is \%. (Round to two decimal places.)