Using Interest Factor Table
 Ali invested $300,000 in a small project for an interest rate
of 8%. Four years later, he invested another $600,000 in the same
project but this time for an interest rate of 10%. What is the
total amount of money he is going to receive after 12 years of his
investment period?
 Compressor that has the following costs are under consideration
for using in a new chemical plant. Using interest rate of 10% per
year. Calculate Annual worth Aw for the compressor.


Compressor

First Cost, $

60,000

Annual operating cost, $ per year

20,000

Salvage value, $

5000

Life, Years

5

Using Interest Factor Table