Builtrite common stock is selling for $70 a share and recently paid a dividend of $2.50. f Builtrite decides to sel lees common Stock, it expects the stock 10 sell at $64 a share after flotation costs of $1. If the firms growth in owidents is expectid 10 ba 8 percent annually and assuming a tax rate of 34%, then what is the after tax cost of new common for Bulirite