The differences between Business account and Personal account

Hi all, my friend have just told me this topic recently. Now I want to share with you, hope it is helpful for you guy
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There're some differences between Business account and Personal account such as:
+ CPM & CPC lower
+ Higher priority for impression
+ No troubles when set up campaign
+ Support chat online one by one when you need help
+ Spend with hight budget

what kinds business account? business.facebook.com's account the same as person account.

For business account you will need to show then legal business paper. And also this time personal account is same as business if you know how to optimize your ads in FB.