must use Excel. please show work/equations used.

A B C D E Delta has a fleet of B777 that they will be retiring in 10 years. They are making an initial investment of $30,000,000 to upgrade the interior of their planes. Every year afterwards, they must spend $600,000 to keep up with FAA standards, and $100,000 to make small updates to interior. If the company MARR is 8%, and the gross profit for Delta to operate one flight is $25,000, how many flights per year does Delta need to fly for the project to break even