Not that expenseive. Multi engine time is generally anywhere from $200-$280 an hour wet. You get 190 multi-engine (50 FTD) which comes out to 150 x $200 = $30k up to 150 x $280 = 42,000. That would be the price for just multi engine flight time not including instruction, simulators, room and board, and other misc. things.

The price for the ACPP is $44,995.

So people that finish ACPP have atleast 190 Multi engine and 285 hours TT.