Answer:
party A will pay floating rate while party B will pay fixed rate
Explanation:
For A
Sources at floating rate = prime 1%
received fixed rate = 8.9%
For B
sources fixed rate = 8.9%
Received floating rate = prime 1%
For a mutually beneficial interest only swap that makes money for A,Band the swap bank in equal measure, the party A will pay floating rate while party B will pay fixed rate