Refer to the table for Moola below to answer the following questions.

Money Supply Money Demand Interest Rate Investment at Interest (Rate Shown) Potential Real GDP Actual Real GDP at Interest (Rate Shown)
$ 500 $ 800 2% $50 $ 350 $ 390
500 700 3 40 350 370
500 600 4 30 350 350
500 500 5 20 350 330
500 400 6 10 350 310
What is the equilibrium interest rate in Moola?