WACC-Book weights and market weights Webster Company has compiled the information shown in the following table: a. Calculate the weighted average cost of capital using book value weights. b. Calculate the weighted average cost of capital using market value weights. c. Compare the answers obtained in parts a and b. Explain the differences. a. The firm's weighted average cost of capital using book value weights is | %. (Round to two decimal places.) i Data Table (Click on the icon here into a spreadsheet.) in order to copy the contents of the data table below Source of capital Long-term debt Preferred stock Common stock equity Totals Book value $4,000,000 40,000 1,060,000 $5,100,000 Market value $3,840,000 62.000 3,434,000 $7,336,000 After-tax cost 6% 11% 15%