4. Investment decision making ( 40 points). You have been asken initial costs (ininvestment projects (A, B, C, and D) your firm is considering, The initial costs (investment) of these projects, as well as the Net Cashi Flows (NCF) received at the Value of each year, are as given in the table below. Your calculations for Net Present Value (NPV) at two different discount rates ( 6% and 11% respectively), and Internal Rate of Return (IRR) are presented in this table. Note: The firm cannot change the size or amount they invest in any of these projects. (a) (10 points, 6 points for correct answer, 4 points for correct explanation) Consider the case where these projects are mutually exclusive, the cost of capital is 6%, and there is no constraint on the amount the firm can invest. Which, if any, of these projects would you recommend your firm select and why? (b) ( 10 points, 6 points for correct answer, 4 points for correct explanation) Consider the case where these projects are mutually exclusive, the cost of capital is 11%, and there is no constraint on the amount the firm can invest. Which, if any, of these projects would you recommend your firm select and why? (c) (10 points, 6 points for correct answer, 4 points for correct explanation) Consider the case where these projects are NOT mutually exclusive, the firm's cost of capital is 16.5%, and there is no constraint on the amount the firm can invest. Which, if any, of these projects would you recommend your firm select and why? (d) (10 points, 6 points for correct answer, 4 points for correct explanation) Consider the case where these projects are NOT mutually exclusive, the cost of capital is 11%, and the amount the firm can invest is limited to $220,000. Which, if any, of these projects would you recommend your firm select and why