investment times...
(1 + 0.04/4)^4 = 1.0406 for one year,
and,
investment times...
(1 + 0.04/4)^16 = 1.17258 for four years
An investment paying 4% compounded quarterly will have a value at the end of one year equal to how much annually at the end of 1 or 4 years?
