In: Finance
PV of annuity due = Annuity + Annuity*(1-1/(1+rate)^(number of terms-1))/rate
= A + A*(1-1/(1+7%)^(26-1))/7%
=A+ A*11.65358318
=12.65358318 A
The present value of an annuity immediate will be 12.65358318 multiplied by the value of the annuity immediate.
In formula terms
PV = 12.65358318 * A