XYZ, Inc. has entered into a "plain-vanilla" interest rate swap on $ 5000000 notional principal. XYZ company pays a fixed rate of 8.5% on payments that occur at 180-day intervals. Platteville Investments, a swap broker, negotiates with another firm, SSP, to take the receive-fixed side of the swap. The floating rate payment is based on LIBOR (currently at 7.2% ). At the time of the next payment (due in exactly 180 days), XYZ company will: （）
A. pay the dealer net payments of $ 65000.
B. pay the dealer net payments of $ 32500.
C. receive net payments of $ 32500.