Answer:
C. 11.05%
Step-by-step explanation:
The computation of the cost of capital under the proposed leveraging is shown below;
cost of capital is
=Debt÷ value of leverged firm × ((unlevered cost of capital × (1 - tax rate))
=800 ÷ 1600 × ((13% + (13%) × (1 - 30%)))
= 11.0500%
hence, the cost of capital is 11.05%