For the purpose of financing a new investment project, a firm will raise capital from the following three different sources equally: (1) new or additional debt capital at an after-tax cost of 8%; (2) new or additional preferred equity capital at a cost of 10 percent; and (3) new or additional common equity capital at a cost of 12 percent Therefore, the internal rate of return (IRR) of the new investment project has to be at least equal to which of the following rates to accept the new project? Mcq 30% 8% 10% 12%