please show steps and formulas

(6) Company BW has the following two investment opportunities (A and B). a) Which project is better, according to NPV? [15 points] b) Which project is better, according to Modified IRR? [15 points] ***Let's not to consider the difference in the duration of these projects*** Net Cash Flows End of Year Project A Project B 0 -8,000 -6,000 1 500 2,500 2 11,500 3,500 3 3,500 4 3,000