### Comment:
The original chart came from 🅱️arvard 🅱️usiness 🅱️hool    
  
  
 [https://twitter.com/StuartBuck1/status/1054469995776884737](https://twitter.com/StuartBuck1/status/1054469995776884737)

### REPLY:
What's the joke with swapping letters with B?

### END.