As the WACC declines Select one: O a. The project's IRR increases O b. The project's NPV increases 0 . The project's NPV decreases 0 d. The project's IRR decreases For a firm, the weighted average cost of capital represents the Select one: O a. cost of its average project. O b. None of the above. O c. hurdle rate for all projects. d. sum of the capital costs of all its projects. e. expected cost of raising capital. O