It seems odd at first that you did not give us the interest crediting methodology for the $2,000. This difficulty is solved, however, by calculating at the time of that cash flow - as instructed by the very end of the problem statement.
Having said that, just build it!
P is the size of the two equal payments at years 1 and 2.
Here's the debts:
Here's the discharging payments:
Note: You simply MUST learn these "Basic Principles". It WILL save you.