The cost of equity using the bond yield plus risk premium approach The Jackson Company is closely held and, therefore, cannot generate reliable inputs with which to use the CAPM method for estimating a company's cost of internal equity. Jackson's bonds yield 10.28%, and the firm's analysts estimate that the firm's risk premium on its stock ovec its bonds is 3.55\%. Based on the bond-yieid-plus-risk-premium approach, Jackson's cost of internal equity is: 16.6084 13.1490 15.21% 13.83%