as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
name three points of comparison between a refrigerator and a microwave.
user
1. a refrigerator is used to store food while a microwave is used to cook or heat food. 
2. a refrigerator runs on electricity while a microwave may be powered by electricity, gas, or a built-in battery.
3. a refrigerator is larger, heavier, and more expensive than a microwave.
assistant