Show work please without excel.

S400 Expected net cash flows Time Project A Project B 0 ($1.000) ($1,000) 1 S800 2 $350 S400 13 $200 S400 4 $100 $300 a. Calculate each project's NPV if WACC is 10%. b. Calculate the IRR of each Project. c. Calculate the crossover rate. d. Find out the projects' MIRR with the same WACC, i.e. 10%. c. Does the conflict still exist among the NPV, IRR and MIRR rankings of these two projects? Why MIRR is a better method than IRR