Following is the stock price chart for Qantas Airway on ASX $6.350.71%+0.04550 May 23. 3:15:03 PM UTC+10 AUD - ASX Disclaimer David purchased 1000 stocks of Qantas on 18th May at the price of $6.45 per share using the margin trading facility offered by his broker. The broker requires 50% initial margin and 40% maintenance margin. There are no transaction fees and the broker charges no interest or fees for the margin trading facility. On 23rd May, David sells the Qantas stocks he purchased at the price of $6.35 per share. i. Calculate the rate of return he earned as a percentage of his initial investment. ii. What would have been the rate return from David's investment in Qantas have had he not used the margin trading facility? iii. Based on your responses above discuss the risks and the benefits of using margin trading strategy. b) Company ABC is known for providing big data solutions for manufacturing companies. ABC is expected to pay a dividend next year of $1, a dividend in year 2 of $2, a dividend in year 3 of $2.5, and a dividend in year 4 of $3. From year 4 onwards, the dividend payout ratio will be 60% every year and ROE is expected to be 15%. The required rate of return for Company ABC is 10%. Based on the information, estimate ABC's intrinsic value using a multistage dividend growth model. Show your calculations