Wich of the following statements is/are true? a. with no debt, the wacc is equal to the unlevered equity cost of capital. b. with perfect capital markets, a firm's wacc is dependent of its capital structure and is equal to its equity cost of capital only the firm it is unlevered. c. with perfect capital markets as the firm borrows at the low cost of capital for debt, its equity cost of capital rises, but the net effect is that the firm's wacc is unchanged. d. with perfect capital markets, although debt has a lower cost of capital than equity, leverage does not lower a firm's wacc.

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.