1 c) i) The Table below is an example of a Cost-benefit Evaluation Techniques.Use it to calculate return on investment (ROI) for project 1, 2, 3 and 4. [8marks) year Project 1 Project 2 Project 3 Project 4 0 -100,000 -1000,000 -100,000 - 120,000 10,000 200,000 30,0000 30,0000 1 2 10,000 200,000 30,0000 30,0000 3 20,000 200,000 30,0000 30,0000 4 20,000 200,000 20,0000 25,0000 5 100,000 350,000 20,0000 50,0000 Net profit 60,000 150,000 30,0000 45,0000 Payback 5 5 4 4 ROI ii) Describe two factors that affect Return on Investment (ROI) in IT. [2marks) iii) Highlight ONE advantage and TWO disadvantages of use of Return on investment (ROI) in cost-benefit evaluation. (3marks)