$4-$Multiple cash flow question remembers the last things that we have done in class.Today invest that muchAt the end of the year invest that much and so on$.$ You need to calculate each cash flow separately with the formula of FV$=$PV$*(1+$r$)^$t One year ago, x deposited $y into an investment account for the purpose of buying new equipment four years from today. Today, they are adding another $x to this account. They plan on making a final deposit of $x to the account next year. How much will be available when they are ready to buy the equipment, assuming they earn a rate of return of x percent?