Answer:
Shi Import-Export’s  WACC is 9.44%
Explanation:
WACC is the minimum return that a project MUST Â offer before it can be accepted. It shows the risk of the company
Capital Source       Weight     Cost       WACC
Debt                 30%      4.5%        1.35%
Preferred Stock        5%      5.8%        0.29%
Common Equity       65%      12%.        7.80%
Total                100%                 9.44%
Cost of Debt
Cost of Debt = Interest × ( 1-tax rate)
           = 6% ×  ( 1-0.25)
           = 4.5%
Cost of Preferred Stock
Cost of Preferred Stock = 5.8%
Cost of Common Equity
Cost of Common Equity = 12%.