Which one of the following is the annuity present value formula? O Cx ({1- [1/(1 + r)t]} -r) Cx({1- [1/(1 + r)t]}/r) O Cx (1 [r/(1 + r)t]}/r) Cx({1- [r/(1 x r)]} x r) O Cx ({1- [1/(1 x r)t]} x r)

Which one of the following is the annuity present value formula? C({1[1/(1+r)t]}r) C({1[1/(1+r)t]}/r) C([1[r/(1+r)t]]/r) C({1[r/(1r)]}r) C([1[1/(1r)t]]r)