Section 4 - Investments in shares (10 marks) David is a risk lover, and he has made some investments in the Australian share market. He invested heavily in one stock, NAB. For instance, on 31 December 2021, he bought 3000 shares of NAB at the market close price. However, after two years, on 29 December 2023, he decided to sell all NAB shares at the market closing bell. David also recalls that he has received some notice about dividend payments. Using data from Morningstar DatAnalysis Premium, please help David calculate the two-year performance from this investment, using Table 4.1. If you are making any assumptions when calculating the returns, please clearly specify and justify them. 4.1 Table 4.1 Return to NAB share investment Unadjusted close price on 31 December 2021 Unadjusted close price on 29 December 2023 Amounts of total dividends received at each corresponding date Holding period return 4.2 Based on your research, you recommend David to consider investing in Exchange traded funds (ETFs). David has never heard of ETFs before, and he asked you to provide more information on what an ETF is and the advantages and disadvantages of investing in an ETF. He also sought you recommendation for one ETF that covers the Australian share market. You should structure this section as follows: (3 marks) What is an ETF? The advantages and disadvantages of investing in ETFs. Recommended ETF (an ETF that tracks the Australian market). Ensure that you explain in detail what this ETF is tracking to David and Beth.