must use excel. show work/equations

Your company is looking at designing a new app for College students to keep track of everything they need for their student organization participation. The app will cost $6,000,000 upfront (year O) to develop and $500,000 per year for marketing, cloud storage and data privacy management. Of course, students are not willing to pay much for this app, but the company thinks they would pay $10 per year for convenience. If this product sell for the next 5 years, how many student per year due they need to subscribe in order to breakeven with their Cost of Capital of 20% which is the return required by the venture capital firm