Thunder Inc. is a private chemical industrial firm. You are trying to determine its market value. You decide to use Harbor Industries, a public firm, as a comparable firm to guide your valuation. Harbor industries has a debt$-$to$-$equity ratio of $0\mathrm{.}25.$ It has an equity beta of $1\mathrm{.}2,$ and debt beta of $0\mathrm{.}4.$ You decide to use the unlevered beta of the comparison firm as the estimation of the unlevered beta for Thunder Inc. Suppose, Thunder Inc. has a debt$-$to$-$equity ratio of $33\%,$ and can borrow at $5\%$ rate. It also has a debt beta of $0\mathrm{.}3.$ The risk$-$free rate is $4\%,$ the market premium is $5\%,$ and the corporate tax rate is $20\%.$ What is the WACC of Thunder Inc.?