### Home > A2C > Chapter 13 > Lesson 13.1.4 > Problem13-74

13-74.

If the cost of a CD now averages $15.95$ and in $4$ years will cost $21.95$, what is the annual multiplier and the annual percent increase?

$15.95r^{4} = 21.95$

$r = 1.083$

What percent increase is this?