Miner fee is 2%. A miner is paid a market price for every found share. The bitmanager service charges 2% from every transaction. The miner’s balance shows just the exact amount he may withdraw any moment.
The buyer’s power purchase fee is 2%. It’s charged by the service every time the amount for the found share is raised from the buyer’s order balance.
The buyer’s order placement fee is a fixed 0,00001 BTC. This amount is charged by the bitmanager service every time a new order is created.