Please show steps on how to solve this using financial calculator as well please. I have the BA 2 Plus Texas Instruments Financial Calculator

Present valueMixed streams Consider the mixed streams of cash flows shown in the following table, . a. Find the present value of each stream using a 4% discount rate. b. Compare the calculated present values and discuss them in light of the undiscounted cash flows totaling $60,000 in each case. Is there some discount rate at which the present values of the two streams would be equal? a. The present value of the cash flows of stream A is $ . (Round to the nearest dollar.) Cash flow stream Year ON+ $-45,000 $37,500 $30,000 $22,500 $15,000 $60,000 $15,000 $22,500 $30,000 $37,500 $-45,000 $60,000 Totals