Suppose Greyhound Inc. has the following information, what is its WACC? It has a 35% corporate tax rate and is funded as follows. $56,000,000 equity with a return of 19.2% $4,000,000 debt with a 11.5% pre-tax cost of debt $17,000,000 preferred with a 12.9% cost of preferred a) 13.1% b) 17.2% Oc) 14.5% d) 15.6%