BexTex has a beta of $1\mathrm{.}05$ and a cost of equity of $13\%$ for the firm overall. The firm is financed solely by common stock. Division A within the firm has an estimated beta of $1\mathrm{.}65$ and is the riskiest of all of the firm$$s divisions. What is an appropriate cost of capital for division A if the market risk premium is $5\%?$