dont give me short cut answer and pls mention A,B,C,D in answer

Case-3 (Marks- 10) Valley Corporation is attempting to select the best of a group of independent projects competing for the firm's fixed capital budget of $4.5 million. The firm recognizes that any unused portion of this budget will earn less than its 15% cost of capital, thereby resulting in a present value of inows that is less than the initial investment. The firm has summarized the key data to be used in selecting the best group of projects in the following table. Project Initial investment A $5,000,000 B 300,000 C 2,000,000 D 1 ,5 00,000 E 300,000 F 2,500,000 G 1,200,000 Reguired IRR 17% 18 19 16 22 23 20 Present value of inows at 15 % $5,400,000 1, 1 00 ,000 2,3 00,000 1,6 00 ,000 900,000 3,000,000 1,3 00 ,000 a. Use the internal rate of return (IRR) approach to select the best group of projects. b. Use the net present value (NPV) approach to select the best group of projects. c. Compare, contrast, and discuss your findings in parts a and b. d. Which projects should the firm implement? Why