The MCP exam costs vary between countries. At the present time the cost of an MCP exam in the UK is £88 and in the US (United States) the cost of an MCP exam is $125. These costs apply to the standard certification range and not the Microsoft Masters Program.
The fee is payable up front to the testing provider. At the present time PROMETRIC are the testing providers for all Microsoft exams and certifications. If you want to book an exam you need to use their website to locate a test centre, choose a time and make your payment.
These costs apply to the following range of exams:
070, 071, 073, 074, 075, 076, 078, 083, 088