Which of the Following Represents a Potential Drawback to a Business

Which of the following represents a potential drawback to a business owner of using smartphone apps to grow a business?

A) They limit customer access to company information and products.
B) They allow a very small range of transactions compared to websites.
C) They require time and money to develop and maintain.
D) They occupy considerable space on users' phones.
E) They are more expensive than websites for consumers to use.