Question 4 (10 Marks) NamBank has identified business opportunities in two SADC markets, a research was commissioned and following data were produced. Angola Botswana Income expected N$ 1.7 mil N$ 1.2 mil It is expected that NamBank would have to make initial investment of N$ 11 mil & N$ 6 mill with respect to Angola and Botswana. The company's overall required return on its investments is 16%. REQUIRED: Marks 4.1. Define the term Residual Income and why it may be a better measure of 4 performance than Return on Investment. 4.2. Indicate in which business environments it may be more appropriate for a 1 successful divisionalization. 4.3. Using the Residual Income method, advice NamBank which investment to 5 pursue on. TOTAL MARKS 10