How would I go about solving these problems using a Calculator BA II Plus.

Using N, I/Y, PV, PMT, FV etc

Investment X offers to pay you $6,100 per year for 9 years, whereas Investment Y offers to pay you $8,400 per year for 5 years. Requirement 1: (a) If the discount rate is 7 percent, what is the present value of these cash flows? (Enter rounded answers as directed, but do not use rounded numbers in intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).) Investment X Investment Y Present value $ 39,742.92 $ 34,441.66 (b) Which of these cash flow streams has the higher present value at 7 percent? Investment X Requirement 2: (a) If the discount rate is 23 percent, what is the present value of these cash flows? (Enter rounded answers as directed, but do not use rounded numbers in intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).) Present value 22,405.92 Investment X Investment Y (b) Which of these cash flow streams has the higher present value at 23 percent? ((Click to select)