In: Finance
You invested $635.98 and received $839.49 after two years. What was the interest rate?
Investment amount = 635.98
Future value = 839.49
N = 2 years
Future value = Investment amount * (1 + Rate)^N
839.49 = 635.98 * (1 + Rate)^2
(1 + Rate)^2 = 839.49/635.98
(1 + Rate)^2 = 1.319994
(1 + Rate) = 1.319994^0.50
(1 + Rate) = 1.1489
Rate = 1.1489 - 1
= 0.1489 or 14.89%