Which of the following statements is TRUE? a. Among the factors that affect the weighted average cost of capital (WACC), market conditions such as interest rates and tax rates are the ones that firms cannot control. ob. Companies should use composite WACC as the hurdle rate for each of its projects with different risk levels to accept/reject decisions. c. Accounts payable is a capital component when calculating the weighted average cost of capital (WACC) for use in capital budgeting. od. WACC represents the maximum return a company can earn to satisfy its investors