a market value of $6.078 billion. a. Calculate the market value weights for BLK's capital structure. b. Calculate BLK's cost of equity using a beta of 1.06 , a risk-free rate of 0.88%, and a market risk premium of 5.40%. c. Calculate BLK's cost of debt using a bond price of $1,061.79, semi-annual coupon payment of $40.00, and 11 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.)