Multiple Choice
Which of the following are the types of products can be sold through in-app billing technique? (Choose two)
A) One-time billing products
B) Automated, recurring billing (Subscriptions) .
C) Free applications
D) Products that can be given to the user for testing it first before paying for them. Such products are paid after user gets convinced with it.
Correct Answer:

Verified
Correct Answer:
Verified
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