This lesson plan outlines a month-long project for students to design accounting software for small businesses. Students will apply what they've learned about money management and financial tracking over the past 5 weeks to create a web-based program using Adobe Flex. The program will track daily business operations like sales, purchases, income, expenses, assets and liabilities. It will produce quarterly reports and financial statements. Students will work in groups of 3 to design and develop the software for a small business in their community. They will present their final programs at the school's annual Open School Day.