Given the following information, calculate cost of capital $($WACC$)$ for major

expansion program of NEU Inc.

$$ Tax rate $=40\%.$

$15-$year, $12\%$ coupon, semiannual payment bonds sell for $$1,153\mathrm{.}72.$

$$ $$10$ dividend, perpetual preferred stock sells for $$111\mathrm{.}10.$

$$ Common stock sells for $$50.$ D $0=$ $$4\mathrm{.}19$ and g $=5\%.$

$$ Capital structure: $30\%$ debt, $10\%$ preferred, $60\%$ common equity.