You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Q: Paragraph: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
 Question: If Mona upgrades her old computer to a more powerful model, what happens to the amount of work her computer can do? 
 Choices: A)decrease 
B)increase
A:
increase