please show methods on how to do problem in the finance calculator

Compute the present values of the following annuities first assuming that payments are made on the last day of the period and then assuming payments are made on the first day of the period (Do not round intermediate calculations. Round your answers to 2 decimal places. (e.g., 32.16)) Payment Years Present Value (Payment made on last day of period) Present Value (Payment made on first day of period) $ 8 14 688 09 8068 26 20,422.93 69,812 54 Interest Rate (Annual) 14% 7 5 32 24 5