how do you calculated the Waco for this problem

WACC Calculation for Heinz 2009 2010 Weight of Debt Shares outstanding (in millions) 315 313 Share price (dollars as of close April 30. 2010) 34-42 46-87 Market value equity 10,837 14,890 Short term 61 44 Long term {including current portion) 5,081 4,574 Book value of debt (millions of dollars) 5,142 4,618 Sealed total (LTD sealed by price of LTD) 4, 705 5,391 Weight of debt 32.18% 23.67% Weight with sealed debt 30.27% 26.5 8% Cost of Debt Typical Standard & Poors bond rating BBB BBB Yield on long-term debt (from bond terms) 7.54% 5.43% Tax rate 30.00% 30.00% Cost of Equity Beta 0-62 0-62 IbiRP 5.50% 560% Rf 3.16% 369% lCost ofequity 6.57% 7.10% WACC With book value of debt 6.15% 6.32% With sealed book value of debt (market value)