
Here's a complex question that requires someone to reason about the input, can you answer it?
Pieter 'Piet' Klijnveld, was a Dutch accountant who started a practice that after several mergers would grow into which professional service company and one of the Big Four auditors, along with Deloitte, Ernst & Young (EY), and PricewaterhouseCoopers (PwC)?


KPMG
