Ti 7S ; 
Example. — What is the amount of an annuity of $35 at the 
end of 17 years at 5 per cent interest? 
From Table 26 the amount of an annuity of $1 for 17 years at 
5 per cent is found to be $25.84037, consequently the amount of 
an annuity of $35 will be 
35 X 25.84037 = $904.41. 
Or from Table 22 the amount of $1 at 5 per cent compound 
interest for 17 years is found to be 2.292018, therefore, according 
to equation (22a), 
vo 2.202018 — 1 
A" = Oe 25.84036 
and the amount of the annuity of $35 will be 
35 X 25.84036 = $904.41. 
When the annuity is applied at the beginning instead of at the 
end of the year and the amount thereof is designated by A’, 
then: 
ABLL 365 
(25