Unida Systems has 32 million shares outstanding trading for ​$12 per share. In​ addition, Unida has ​$97 million in outstanding debt. Suppose Unida​'s equity cost of capital is 12%, its debt cost of capital is 8%, and the corporate tax rate is 25%. What is the weighted average cost of capital (WACC) for Unida Systems?
a) 9.54%
b) 9.83%
c) 10.21%
d) 10.57%