For the projects given in the table below to: Classify the projects into simple investment or non-simple investment. Decide if project A is accepted or rejected based on the IRR criterion, at MARR of 20%. If projects C and D are mutually exclusive projects, determine which project is more economical at MARR of 70%. PROJECT CASH FLOW SR B -4 000 -4 000 -125 000 -125 000 1 8 000 760 30 000 20 000 2 -3 000 4 000 30 000 40 000 3 120 000 130 000 ---- NOTE: The general solution of a quadratic equation (ax? + bX + c 0) is -bt vb2 - 4ac X12 = 2a