Exercise
ABy Admin
Nov 18'23
Answer
Solution: B
Just prior to the extra payment at time 5, the outstanding balance is
[[math]]
1300 a_{\overline{20}|0.07}=1300(10.5940) =13, 772.20.
[[/math]]
After the extra payment it is 11,172.20. Paying this off in 15 years requires annual payments of
[[math]]
11,172.20/a_{\overline{15}|0.07}=11,172.20 / 9.1079 = 1226.65.
[[/math]]