What is the correct answer?

What is the cap rate and growth rate implied from the below information? Total return (IRR): 9% Projected Year 1 NOI: $20,000 Purchase price (today): $400,000 cap rate =5%, growth rate =9% Not enough information to compute cap rate =5%, growth rate =4% cap rate =9%, growth rate =5% cap rate =7.5%, growth rate =1.5%