I calculated the net present value as 750.56. However, 750.76 was wrong. Then, I tried 750 and 751. Both of them are wrong. Please help me calculate the correct net present value of cash flow at time 0.

20.00% 0 4 8 Effective annual rate: Discount rate Quarters, NOT YEARS Periodic cash flows at the end of each QUARTER You may not need all lines below Discount rate per QUARTER: r 1 100.00 2 100.00 3 100.00 5 100.00 6 100.00 7 100.00 9 100.00 10 100.00 11 100.00 12 100.00 Net present value of these cash flows at time o 4.66 Discount rate per quarter. Enter 2.56% as 2.56 Net present value of these cash flows at time 0