a) Two projects, A and B are competing for project funding. With an original investment of $5000 and the expected net returns given in Table 4, use the Net Present Value (NPV) method with a 10% interest rate to find the more attractive investment. [10 Marks] Tahle 4. Fumantad XTat D atwomn b) Given that the total discounted costs for Project B was $7581.40, calculate the Return On Investment (ROI) for the most attractive project from Q4(a). [2 Marks] c) In project appraisal techniques, what does the Minimum Acceptable Rate of Return (MARR) mean? [1 Mark]