Calculate the rate of return earned over a specified period of time. Explain the outcome based on what was seen in the market value, impact of cash flow and changes in value. What is the preferred investment? (5 marks) Investment 8.1. Sungsan 8.2. Aikon 8.3. Allamoto 8.4. Sensu 8.5. Eclipse Cash flow during the period(N$) 20,000 50 13,000 4,000 600 Beginning of the period value(N$) 140,000 600 45,000 9,000 1,000 End-of-period value(N$) 113,000 450 50,000 12,400 5,000