Suppose you obtain a $3,000 T-note with a 3% annual rate, paid quarterly, with maturity in 5 years. How much interest will you earn?

Answer 1

http://www.thecalculatorsite.com/finance/calculators/compoundinterestcalculator.php

Answer 2

i = .03/4
n = 20

interest = 3000(1+i)^n - 3000