table 5 – deletions from f6 (uk) b1a) sum payment pvifa = present value interest factor of an annuity the right way additional ingredientsdiscount rate: 5%annuity 2 present value of annuity of$1 periods* 1 2 3 4 5 6 7 8 9 10 20 present value of an ordinary annuity pv = present value of all