An someone help me. Please show the formula for this.

thank you

3. Suppose you are expecting to receive $650,000 in 40 years when you sell your house to retire. Calculate the present value of this income using the following discount rates: 0.5%, 1%, 1.5%, 3%, 6%, 9% and 12%. Then prepare a line chart to show how the present value changes over this range of discount rates