please provide explanation if you use excel. i dont want to see only schedules, i will not understand, and my goal is to learn not to copy the final answer. the Answer for A in number 1 is: NPV= 4655

Question 1 (25 points): An investor has two investment alternatives, Project A and Project B, that are mutually exclusive. Other investment opportunities also exist at 12% minimum rate of return. Cash flows for Project A and B are as follows. Which project is a better investment on the basis of NPV and IRR analysis? It is recommended that one apply incremental analysis techniques. Project A: I=3,000 1-3,000 13,000 I=2,500 1-2,500 1-2,500 C=-2,500 C=-6,000 C--3,500 1-4,000 Year 0 1 2 L=58,500 3 5 6 7 8 Project B: L-$11,000 C--16,000 C-4,000 1=5,250 1-4,000 1=3,750 1=3,500 1=3,250 1=3,000 1-1,750 1-4,500 Year 0 1 2 3 4 5 6 7 8 C: Cost, I: Income, L: Salvage Value