It worked perfectly for me, after I scrolled down and read about the changes/updates to QBO (aka Category). I was also still able to apply markup to invoice my customer correctly for the item we purchased via Purchase Order, then received Bill, then tied Expense (which was an error on our part) to the Bill so it would show as paid without creating a double entry (one for expense and one for bill payment).

It was confusing at first, but now it makes total sense (for next time). :)