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Find the Net Present Value (NPV) of the following investment cash flows. Assume an effective rate of interest of 15%. Year Contributions Returns 0 1,500 1,000 2 3 750 4 1,250 5 2,500 Total 2,500 4,500 O 81 4,820 O 2,451 O (1,348)Find the Modied Internal Rate of Return (MIRR) for an investment that requires an initial contribution of 100 and returns an increasing annuity at the end of each year as follows: {5,10, 15, 20, 15, 30, 35, 40, 45, 50}. The returns are invested in an account that earns 6% per year. ('7 12.7% (i 10.6% (3 10.2% ('j 16.8%