ABC Company does not use debt now and use the following information. Target capital structure: Market value of debt (D)=$100,000 Market value of equity (E)=$200,000 Unleveraged beta (U)=0.8 Tax rate =40% What is the cost of equity of the firm under its target capital structure (risk-free rate of return =3%, market rate of return =7% )? Select one: a. 7.92% b. 7.16% c. 7.59% d. 8.05%