Question 1.(Answer all parts)(5 Marks)(a) Many investors choose a variety of investments (e.g. shares, bonds, cash, or property) in a diversified portfolio whilst others have only one or two investments. Explain the impact of a diversified portfolio on risk and how it relates to Total risk.(2 Marks)(b) Explain the relationship between a company announcement and the return on an investment according to the Efficient Market Hypothesis.(2 Marks)(c) Which Market Form best represents the current Australian Securities Exchange?Why?(1 Mark)