Use the table below to answer the questions:

Interest Asset rate demand (in %) (billions) 14 $200 13 300 12 400 11 500 (a) If the transactions demand for money equals 10% of nominal GDP, the nominal GDP is S6000 billion, and the supply of money is $900 billion, what is the equilibrium interest rate? (b) If nominal GDP remains constant, and the money supply is increased from $900 to $1000 billion, what will the equilibrium rate of interest be?