Badger Corp. has an issue of $6\%$ bonds outstanding with $6$ months left to maturity. The bonds are currently priced at $$1,006\mathrm{.}89,$ and pay interest semiannually. The firm's marginal tax rate is $40\%.$ The estimated risk premium between the company's stock and bond returns is $6\%.$ The firm's expects to maintain a capital structure with $40\%$ debt and $60\%$ equity going forward. The company's W$.$A$.$C$.$C$.$ is $\_\_\_\_\%.$