WACCMarket value weights The market values and after-tax costs of various sources of capital used by Ridge Tool are shown in the following table: a. Calculate the firm's weighted average cost of capital b. Explain how the firm can use this cost in the investment decision-making process, a. The firm's weighted average cost of capital, using market value weights is % (Round to two decimal places.) WACCMarket value weights The market values and after-tax costs of various sources of capital used by Ridge Tool are shown in the following table: a. Calculate the firm's weighted average cost of capital b. Explain how the firm can use this cost in the investment decision-making process, a. The firm's weighted average cost of capital, using market value weights is % (Round to two decimal places.)