The Tyler Oil Company's capital structure is as follows: Debt Preferred stock Common equity 40% 15 45 The aftertax cost of debt is 11 percent; the cost of preferred stock is 14 percent; and the cost of common equity (in the form of retained earnings) is 17 percent. Calculate Tyler Oil Company's weighted average cost of capital in a manner similar to Table 11-1. (Round the final answers to 2 decimal places.) Weighted Cost Debt (kd) Preferred stock (Kp) Common equity (Ke) (retained earnings) Weighted average cost of capital (ka) Hamilton Control Systems will invest $84,000 in a temporary project that will generate the following cash inflows: Year 1 2 3 Cash Flow $22,000 34,000 58,000 The firm will also be required to spend $10,000 to close the project at the end of the three years. 0. Compute the net present value if the cost of capital is 8 percent. (Do not round intermediate calculations. Round the final answer to the nearest whole dollar. Negative answer should be indicated by a minus sign. Omit $ sign in your response.) NPV $ 3622 b. Should the investment be undertaken? Yes