On January $1,2023,$ you plan to take a trip around the world upon graduation four years from now. Your grandmother wants to deposit sufficient funds for this trip in a savings account for you. On the basis of a budget, you estimate that the trip currently would cost $$24,000.$

To be generous, your grandmother decides to deposit $$5,500$ in the fund at the end of each of the next four years, starting on December $31,2023.$ The savings account will earn $4$ percent annual interest, which will be added to the savings account at each year$-$end.

Required $($show computations and round to the nearest dollar$)$:

$1.$ How much money will you have for the trip at the end of year $4($i$.$e$.,$ after four deposits$)?$

$2.$ What is the interest for the four years?

$3.$ How much interest revenue did the fund earn in $2023,2024,2025,$ and $2026?$