A company has a web application that has thousands of users. The application uses 8-10 user-uploaded images to generate AI images. Users can download the generated AI images once every 6 hours. The company also has a premium user option that gives users the ability to download the generated AI images anytime. The company uses the user-uploaded images to run AI model training twice a year. The company needs a storage solution to store the images. Which storage solution meets these requirements MOST cost-effectively?