In saving for a future major purchace, Oksana has been making uniform deposits of $$4,000$ per year in an account that has earned variable annual interest rates of $i1=i2=i3=8\%$ and $i4=i5=6\%($see cash flow diagram below$).$ How much does she have in the account immediately after making the last deposit?

The account will have $$,.($Round to the nearest dollar.$)$