Calculation of individual costs and WACC BlackRock, Inc. (BLK) has a capital structure that consists of common stock equity and debt. The market capitalization of its equity is $74.994 billion and its debt has a market value of $6.284 billion. a. Calculate the market value weights for BLK's capital structure. b. Calculate BLK's cost of equity using a beta of 1.14, a risk-free rate of 0.62%, and a market risk premium of 5.70%. c. Calculate BLK's cost of debt using a bond price of $1,067.55, semi-annual coupon payment of $33.75, and 10 years to maturity. d. Calculate BLK's current WACC using a 21% corporate tax rate.