You are an assistant to a corporate finance director in a company. One of the company's recent project bids is accepted. This project relates to construction of a new airport in Berlin and expected cash flows are as follows. If the MIRR is 10,3%, what would be the approximate WACC?

(nvestment of airport=12000000, first year cash flow=6000000, second year cash flow=8000000)

A)9%

B)9,3%

C)10%

D)10,5%