Read the following context and choose the best option to answer the question.
Context: Caretaker positions at state run hospitals are typically low paying . According to the Bureau of Labor Statistics health aides make , on average $ 10.03 per hour or $ 20,850 a year . The technicians at Cherry Hospital make on average about $ 25,000 per year , which is slightly above national average but still low considering the demands of the job .
Question: Why does the text use data provided by the Bureau of Labor Statistics to substantiate the argument that caretaker pay is low at state run hospitals ?
Options: 
- It is the only source that has comprehensive statistics on hospital caretaker pay .
 - None of the above choices .
 - Retrieving statistics from this entity is free of charge and easy to download
 - This source is the one that is utilized most widely in research fields


None of the above choices .