Answer
Fill the blank with
... present value $A_{p}$ ...
Work Step by Step
See p. 870
The present value $A_{p}$ of an annuity consisting of
$n$ regular equal payments of size $R$
with interest rate $i$ per time period
is given by $A_{p}=R\displaystyle \frac{1-(1+i)^{-n}}{i}$
Fill the blank with
... present value $A_{p}$ ...
