If he earns a constant return of $8\%,$ what is his balance after $30$ years?

How much interest will he have earned in the first $15$ years of his investment? How much will he earn in the last $15$ years? Comment on how and why these numbers may or may not be different from each other.

Balance $->$

First $15$ Interest $->$

Last $15$ Interest $->$

$\backslash$table$[[],[]]$