Companies A and B have entered the following interest rate swap on a $30 million three-year notional principal, where A pays 4% fixed rate and received LIBOR, and B pays LIBOR and receives 4% fixed rate. Explain the cash flow schedule for A if the six-month LIBOR rates in the following three years look like this table:

4.2 floating fixed net

6 - 4.8

12 - 5.3

18 - 5.5

24 - 5.6

30 - 5.9