POST vs take care of business

POST

verb
  • To successfully perform a power-on self-test. 

noun
  • An HTTP request method used to send an arbitrary amount of data to a web server. 

take care of business

verb
  • To successfully perform a task or set of tasks which are very important for the accomplishment of a major objective. 

  • To urinate or defecate. 

How often have the words POST and take care of business occurred in a corpus of books? (source: Google Ngram Viewer )