In cell C$10,$ insert a formula with the FV function that uses the monthly rate of return $($cell C$6),$ the number of payments $($cell C$8),$ and the monthly payment $($cell C$7)$ to calculate the future value of Plan $1.$ Fill the range D$10$:E$10$ with the formula in cell C$10$ to calculate the future value of Plans $2$ and $3.$