Rogol Instruments makes fine violins, violas and cellos It has $12 million in debt outstanding, equity valued at $2.4 million, and pays corporate income tax at rate 22% Its cost of equity is 14% and its cost of debt is 8% a. What is Rogol's pre tax WACC2 b. What is Rogol's (effective after tax) WACC? a. What is Rogol's pre tax WACC? Rogol's pre tax WACC is % (Round to two decimal places) b. What is Rogot's effective after tax) WACC? Rogors (effective after tax) WACC is % (Round to two decimal places lin