a) Sally purchased a rental property for $756,000 today. She expects to receive rent of $480 per week over the following 12 months. She also expects the price of the property in 12 months' time would be as follows according to the probabilities. Using this information answer parts i) and ii) below Calculate the expected return for this property if Sally plans to sell the property in one year. (Round your answer to the nearest 0.01% ) (3 marks) Calculate the standard deviation for Sally's investment if she plans to sell the property in one year