(b) Use the information in Exhibit 3.1 below for problem 3b. Exhibit 3.1 Stock A B C Number of Shares 5,000 8,000 15.000 December 31, 2019 Price Value RM20 RM100,000 RM40 RM320,000 RM10 RM150,000 December 31, 2020 Price Value RM25 RM125,000 RM42 RM304,000 RM18 RM270,000 MAIN (i) If the December 31 2019 value weighted index for ABG was 100, what is the value weighted index for ABC on December 31, 2020? What is the percentage change? (5 marks) (ii) Compute the total percentage change in an equally weighted portfolio of ABO for December 31, 2020. (5 marks) (c) Discuss two (2) sell disciplines that a good investor should practice. (5 marks) (Total: 20 marks)