$19$Vivere Studio

In cell B$22,$ enter a formula to calculate the net present value of buying the

digital equipment by adding the initial investment in cell F$4$ to the present

value of the cash flows in the range F$5$:F$41.$ Use the NPV function with the

monthly discount rate in cell B$21$ as the rate of return to calculate the

present value of the cost of the buying the digital equipment for the next

three years of use.