At the beginning of the year $($today or now$)$ you plan to invest $$100$ in a stock market. Your intention for the year is to invest additional $$20$ per month for the first three months and withdraw $$40$ per quarter during the year. However you were advice that for a good return on your investment you should make additional investment of $$60$ per semi$-$annually and withdraw $$30$ at the end of the year. Draw the cash flow diagram for your investment for the year.