Suppose the WACC for a Canadian Company Is 8%,and the Canadian

Suppose the WACC for a Canadian company is 8%,and the Canadian risk-free interest rate is 2.5%.If the Japanese risk-free interest rate is 0.5%,what is the company's Japanese WACC?

A) 7.5%
B) 10.1%
C) 5.9%
D) 8.5%
E) 6%