Answer:
Option 1 and 3 i.e., Google Firebase and Google Play is the correct answer.
Step-by-step explanation:
Because david started a business and he creates web application for the sales of the their business then, he required those two applications for tracking and by which the other users get their application.
- Google Firebase: is referred to an application which provide users fix their application crashes and upload their application on the google store.
- Google Play: is referred to an application by which the owner easily provide their application to their users.