C-07-Q074mediumsingle_mcqIn the book example, the WACC is calculated as (9.3×0.4)+(6×0.4)+(7.27×0.2)(9.3 \times 0.4) + (6 \times 0.4) + (7.27 \times 0.2)(9.3×0.4)+(6×0.4)+(7.27×0.2) which equals —a6.50%b7.57%c8.00%d9.30%