While working a night job at a call center, Eric creates an app called EatOut, which can be used to place orders at restaurants, rate the restaurants, and make reservations. Because he receives good responses for his app, he quits his current job to focus his efforts on EatOut. He creates a start-up called BestApps and hires three people to help him improve EatOut and maintain the servers that run it. In this scenario, BestApps most likely has a ________ structure.