Finance and Investment; Briefly explain the method of solution to be used with reasons why this method is appropriate (one ortwo sentences only) egwe need to calculate the FVto determine the lump sum needed and only once forthe question unless the sub-question(s) require a different method. use the approach below for calculations as i will be using financial calculator Use a financial calculatorto solve: PV A l/Y B N COMP FV FV= $X>OOOOO(X