2. FIGURE Q2a shows the rates of change in sales of companies A, B, C, D and E for 1 hour between 9 am to 10 am. All companies start their operations from 8 am till 10 pm. 14 12 Sales rate (RM/min) E 10 8 6 4 2 0 0 10 20 30 40 50 60 Time (min) D E FIGURE Q2a a. Choose 3 companies and compare their sales from 9 am to 10 am based on FIGURE Q2a. As an investor, select which company would you invest in. Justify your answer. [15 marks]