2. Suppose you have a saving plan covering the next six years, according to which you put aside S600 today, $500 at the end of every year for the next two years and $400 at the end of each year for the remaining four years. As a part of this plan, you expect to withdraw $300 at the end of every year for the first 3 years and $350 at the end of every other year thereafter. Draw the cash flow and net cash flow diagr