Please solve using a financial calculator and show keys/steps. Answer should be PV = 2,638.87

I continue to come up with the answer 7, 143.77. Any insight into what I may be doing wrong?

28. Discounted Cash Flow Analysis [LO1] If the appropriate discount rate for the following cash flows is 7.17 percent per year, what is the present value of the cash flows? Year Cash Flow 1 2 $2,480 0 3,920 2,170 3 4