Read the following context and choose the best option to answer the question.
Context: She said " fine , but if you do n't eat that entire thing I ' m going to shove it up your butt ! " . No joke . Dear old Grandma said that . Which comes to another point , she was cheap too .
Question: What may be the reason for their grandma 's statement ?
Options: 
- She is cheap when it comes to food .
 - She does n't like to see leftovers on plates .
 - She does n't want to clean up leftovers .
 - None of the above choices .


She is cheap when it comes to food .