PROBLEM $(5-10)$

You invest $$800$ at an annual rate of $8\%$ for $12$ years. How much more interest would you earn with

compound interest than with simple interest for $($a$)$ the whole $12$ years; and $($b$)$ in just year $7$ by

itself?

PLEASE HELP SOLVE IN EXCEL.

SOLVE FOR THE MISSING PARTS THAT HAVE RED MARK HIGHLIGHTS AND PLEASE SHOW WORKINGS.