Both Company A and B provide 24-hour hotline consultation services for customers who have difficult problems using their company's digital products. Calling the hotline charges a corresponding call fee
The number of consumers who bought Company B's digital products is twice as much as that of Company A
generally speaking, consumers only encounter difficulties when using digital products. The number of hotline calls received by Company A is five times more than that of Company B. This shows that company A's digital products must be more complex and difficult to use than Company B's.