Nominal GDP is the total value of production (final goods and services) using current prices. Consider an illustrative economy that produces luxury pens. Assume that in 2012 this economy produced 30 luxury pens at a market price of $300 per pen. In 2013, the number of luxury pens produced remains the same but the market price has increased to $400 per pen. If 2012 is the base year, the real GDP in 2013 is $ The nominal GDP in 2013 has by percent from what it was the year before. (Round your answer to two decimal places.) Which of the following statements are true regarding the quantity theory of money? (Check all that apply.) A. Growth rate of money supply = Growth rate of real GDP. B. Growth rate of money supply = Growth rate of nominal GDP - Inflation rate. C. Growth rate of money supply = Inflation rate + Growth rate of real GDP. D. Growth rate of money supply = Growth rate of nominal GDP